What are the two seasons in first frost?

Cold refers to cold dew, and first frost refers to first frost.

Cold dew is the seventeenth solar term in the twenty-four solar terms of the lunar calendar, belonging to the fifth solar term in autumn, which indicates the official start of the autumn season, and the time is 10/0/0/7-9 of the Gregorian calendar every year.

The first frost is the eighteenth of the twenty-four solar terms, the last solar term in autumn and the transitional solar term from autumn to winter. Every year on the 23rd or 24th day of Gregorian calendar 10 year 10, the first frost solar term is when the sun moves to 2 10 degrees of the longitude of the Yellow River. With the arrival of the first frost, crops that are not hardy have been harvested or will soon stop growing, and the vegetation has begun to turn yellow, showing a scene of late autumn.

At the time of the first frost, he belonged to the earth in the five elements. According to the viewpoint of TCM health preservation, as far as the relationship between four seasons and five supplements (spring supplement, summer supplement, long summer supplement, autumn supplement and winter supplement) is concerned, at this time, he belongs to the soil in long summer, and should take the principle of light supplement to replenish blood, replenish qi and nourish stomach. The first frost refers to the first frost. Plants that are not hardy will stop growing and present a scene of late autumn, which is a good time to enjoy maple leaves.