Twenty-eight stars refers to which

China's customary stars in the sky is divided into three wall twenty-eight hosts, three wall that is, Ziwei wall, Taiwei wall, the city of heaven wall. May have been created in the Warring States period, mainly the stars near the north celestial pole for classification and naming, roughly the earth's imperial administration moved to the sky, is the naming with a clear sense of officialdom. The twenty-eight stars, on the other hand, are a circle of stars distributed along the ecliptic or celestial equator (the earth's equator extends into the sky), which are divided into four groups, also known as the four elephants, four beasts, four dimensions, and four directions of the gods, with seven stars in each group, the origin of which is not yet entirely clear.

The eastern seven hosts for the angle, hyper, dibutyl, room, heart, tail, Kei, including forty-six constellations, more than 300 stars, composed of the image resembles a dragon. Many scholars believe that the "I Ching" Qiankun, "the dragon do not use", "see the dragon in the field", "or leap in the abyss", "flying dragon in the sky ", "Exuberant Dragon", is the description of the Canglong seven hosts in the spring when the sky. According to Shi's Xingjing, "The horn is the head of the Canglong, and is actually the master of the right of spring birth, which is also the horn of the Canglong." The Shuowen says, "The neck of the Canglong is also the neck of the Canglong," so the Canglong is the neck of the Canglong. It is also known as Tiangen, which is the chest of the Dragon. The Fangshu is the belly of the Dragon. Since the Dragon is the Heavenly Horse, the Fangshu is also known as the Heavenly Team or Mazu. The Heart Suku is the Great Fire Star. According to the ancient division of the field (the stars in the sky each correspond to a certain area on the earth), the tail and the mines correspond to the mouth of the Nine Rivers, so the tail is also known as the Nine Rivers, which is near the Tian Jiang star, the fish star, and the turtle star. The Minjusuku is also the tail of the Canglong, and near it are the stars of the chaff and the pestle.

The seven northern constellations are Dou, Niu, Nu, Void, Dangerous, Room and Wall, ***65 constellations, more than 800 stars, they form the image of the snake and the turtle, so they are called the seven constellations of Xuanwu. Doosu for the northern Xuanwu Yuan turtle of the first, composed of six stars, shape is also like a bucket, generally known as the South Dipper, which together with the North Dipper is in charge of the power of life and death, also known as the Temple of Heaven. The six stars of the Ox are shaped like the horns of an ox. The four stars of the female host are also shaped like a mini. The main star of the Void Host is the Void Star, one of the four stars of the Yao Code, also known as the Tianjie, which has an ominous meaning. In ancient times, the Void Star was the main star of the fall, which contains the image of slaying, and the withering down of everything, which can be a sorrowful and weeping one. Dangerous hosts within the grave constellations, virtual sorghum, cover constellations, but also ominous, reflecting the ancients in the late fall of the winter season of the inner restlessness. Room host, also known as Xuan Gong, Qing Temple, Xuan Hei (water god), it appears to tell people to strengthen the house, in order to survive the harsh winter. The wall is similar to the room, and may contain the meaning of reinforcing the courtyard wall. North Xuanwu Xingxu status is very high, the old Beijing Zhenwu Temple (outside the Fuxingmen), that is, dedicated to the Xuanwu Emperor.

The seven western constellations are Kui, Lou, stomach, Pleiades, Bi, Cai, Sam, counting 54 constellations, more than 700 stars, which make up the pattern of the White Tiger. Kui host by sixteen less bright stars, shaped like the sole of a shoe, it is considered the tail of the God of the White Tiger. Louxu has three stars, and nearby are the constellations of Left Shift, Right Shift, Heavenly Cang, and Heavenly General. The three stars of the Stomach constellation are close together, and nearby are the constellations of Heavenly Grange, Heavenly Ship, Jaeger, and Jaeger, which seem to have a stomach too small to digest so much food, and are somewhat indigestible. The Pleiades, the famous Pleiades star cluster, has a particularly large number of myths and legends about it. Inside the Pleiades are the stars of Rolling Tongue and Heavenly Slander, which seem to mean that trouble comes out of the mouth. The eight stars of the Bi constellation are shaped like forked claws; in ancient times, those with small nets and long handles were called Bi, and the Bi star is also known as the Rain Master (the skip star is the rain uncle), and is also known as the Screen Cataract, the No. Screen, and the Xuanhe (the same as the Chambered Host); in China, the Bi constellation is the rain star. The three stars of the three stars of the Cave Host are almost completely together, really cherry on the cake a little bit. Senju seven stars, the center of the three stars in a row, two stars on each side, seven stars are very bright, very conspicuous in the sky, it and the Great Mars is exactly opposite, we call today's difference of opinion for the opinion of the Senju, as well as brotherly disharmony for the Senju do not see each other, are derived from this.

The seven southern stars are Well, Ghost, Willow, Star, Zhang, Wing and Square, with forty-two constellations and more than 500 stars, and its image is that of a winged sparrow. The eight stars of the Well constellation are like wells, known as the Twins in the west, and nearby are the constellations of Beihe, Nanhe (i.e., the constellation of Little Dog), Jishui, and Shufu. The four stars of the Ghost Host are said to accumulate horses in one tube, soldiers in another, cloth and silk in another, and gold and jade in another, and the constellations of Tengu, Tensha, and Wai Kitchen are nearby. The eight stars of the Willow constellation, shaped like a weeping willow, it is the mouth of the Vermilion Bird. The seven stars of the star constellation are the neck of the Vermilion Bird, and nearby are the seventeen stars of Regulus. The six stars of Zhangshu are the crop of the Vermilion Bird, and nearby are the fourteen stars of the Temple of Heaven. The twenty-two stars of the wing constellation are considered the wings and tail of the Vermilion Bird. The four stars of the square host, also known as the heavenly chariot, four stars in the center, next to the left jurisdiction, the right jurisdiction of the two stars, "the image of the car."