What book is a jade-filling sagger?

Jade-supplementing sagger is a masterpiece of all kinds of divination. Its content covers everything, from offering sacrifices, getting married, going to work, traveling, starting business, farming, saccades, tinnitus, dreaming, weighing bones, and even all kinds of strange divination, you can find relevant information in it.

"Buyu Sagger" is said to have been written by Xu Zhenren, a Taoist priest in the Eastern Jin Dynasty. Once published, this book became very popular and became a necessary pillow book for all families, from aristocrats to ordinary people, because it catered to the psychology that "your country seeks peace, and it benefits far from harm".