The number of techniques includes divination, astrology, physiognomy, geomantic omen and auspicious choice.
Divination: Divination refers to divination, six strategies, and other techniques.
Astrology: mainly rely on astrology to discuss numerology. There are astrology in foreign countries, and there are old Guo Xingzong and the theory of the nine planets' destiny in China.
Physiognomy: physiognomy, palm reading, etc. Represented by Ma Yi-dao's book Ma Xiang.
Geomancy: geomantic omen, which is mainly divided into ternary geomantic omen and triple geomantic omen. Of course, there are many subdivisions. There were even five-tone geomantic omen in ancient Qin and Han dynasties (but they have been eliminated).
Choosing an auspicious day: This is also a way for Lao Guo Xingzong to choose an auspicious day and time. There is also a way to choose good luck in geomantic omen, and there is also a corresponding way to choose good luck in divination.