Brief Introduction of Prescriptions in Medical Records of Qin Dynasty

In short, this book is a set of methods to choose dates from the aspects of yin and yang, five elements, feng shui, astrology and numerology. And it has become the norm for the ancients to choose auspicious days. The ancients chose the auspicious day of the ecliptic, and decided that they could sacrifice to heaven and earth, govern the country and be close to the people, choose generals to worship, appease the border crossings, and go out on the same day; Or on that day, you can enter the list, get married, break ground and trade vouchers; Even on that day, you can stand upright, sew clothes, shave your head and get a haircut, and you must follow the principles of this book. The purpose of doing this is naturally to benefit the immediate and avoid harm.

The reason why Emperor Qianlong personally prefaced it and included it in Sikuquanshu is that it has a large space, profound thoughts and great influence, which is closely related to people's food, clothing, housing and transportation, and is very practical. Other books that choose ancient books, such as Wanquan Jade Sagger Supplement, Choosing Good Luck and Bingzhen Bimiao, are just some branches of this book.