Based on the theory of Yin-Yang and Five Elements, TCM regards the human body as the unity of qi, shape and spirit. Through the method of "looking, listening and asking", it explores the cause, nature and location of the disease, analyzes the pathogenesis and changes of viscera, meridians, joints, qi and blood, and body fluid, and judges the rise and fall of evil, and then obtains the name of the disease.
Based on the principle of syndrome differentiation and treatment, the treatment methods of "sweating, vomiting, purgation, harmony, warming, clearing away heat, tonifying and eliminating" are formulated, and various treatment methods such as traditional Chinese medicine, acupuncture, massage, cupping, qigong and diet therapy are used to restore yin and yang of the human body.
Chinese medicine came into being in primitive society. During the Spring and Autumn Period and the Warring States Period, the theory of traditional Chinese medicine has basically taken shape, and branches of anatomy and medicine have emerged, adopting the "four diagnoses". Treatment methods include Bian Shi, acupuncture, decoction, moxibustion, guidance, gas distribution and wishing. Huangdi Neijing is one of the four classic works of traditional medicine in China and the earliest medical classic in China.
At the same time, it is a medical masterpiece studying human physiology, pathology, diagnostics, therapeutic principles and pharmacology. Theoretically, the theory of yin and yang, five elements, pulse condition, Tibetan image, meridians and etiology of traditional Chinese medicine was established.
Pathogenesis, symptoms, diagnosis, treatment, health preservation, luck and other theories. Later, traditional Chinese medicine began to explain human physiology with yin and yang and five elements, and there appeared "medical workers", gold needles and bronze keys.