Which course does metaphysics belong to?

Metaphysics is interpreted as: the mysterious is both mysterious and the gateway to all miracles.

In other words, metaphysics is a theory that studies profound and profound problems.

After evolution, five systems have emerged: mountain, medicine, life, divination and phase.

The content of mountain refers to self-cultivation, meditation and internal training, which can generally include: guidance, inner alchemy, outer alchemy, martial arts and so on. His representative works include Taiqing Health Guide, May 6th Fairy Tale, Singing the Truth, Bronze Fu Tie Chan, Taiji Biography, five elements boxing and so on.

Medical skill is an ancient Chinese medicine system, and the treatment methods are divided into acupuncture, decoction, massage, wishing, etc. Representative works include Huangdi Neijing, Huangdi Eighty-one Difficult Classic, Pulse Classic, Acupuncture, Compendium of Materia Medica, Tangtousong and so on.

Numerology refers to the knowledge of calculating the fate of life. There are four pillars, Wei Zi Doodle, and the life theory of nine planets. Representative works include Yuan Hai Zi Ping, Ming Di Bu and Wei Zi Dou Shu Quan Shu.

Divination refers to the act of divining fortune, which can be roughly divided into six hexagrams, plum blossoms, six donkeys and strange doors. His representative works include Lin Yi, Additions and Additions, Changes of Plum Blossoms, Huang Shishu, Daquan Shu, Qimen, etc.

Methods of observing people's faces, geographical environment, etc. Roughly divided into: face, palm reading, feng shui and so on. Representative works include Liu Zhuang Aquilaria Resinatum, Ma Shen Yi Xiang and Encyclopedia of Geography.