What are the four diagnoses and eight categories? What are the four diagnoses and eight categories?

1, Four Diagnoses and Eight Classes refer to the four diagnoses of traditional Chinese medicine, namely, looking, asking (asking about illness), smelling (knowing patients through hearing and smell) and feeling (pulse diagnosis and pulse diagnosis). And use yin and yang, exterior and interior, cold and heat, excess and deficiency to analyze and summarize the condition.

2. Four diagnosis and eight categories refer to the four diagnostic methods of Chinese medicine to diagnose diseases, and to analyze and identify diseases by using eight categories of yin and yang, exterior and interior, cold and heat, and excess and deficiency.

3. Visiting doctors use their own eyes to observe the patient's whole body and local conditions, so as to obtain information related to the disease as the basis for analyzing visceral lesions. Including spirit, color, shape, tongue and catharsis.

4. Odor diagnosis means that doctors can understand the changes of patients' voice and smell through hearing and smell. Smelling sound is to observe the changes of patients' language, breathing, cough and other sounds; Smell is to observe the odor changes of patients' secretions and excreta, and help to distinguish the deficiency, excess, cold and heat of the disease.

5. Inquiry is a way for doctors to ask patients or their families, relatives and friends about their illness purposefully. Many information about diseases, such as patients' conscious symptoms, onset process, treatment process, daily life, usual constitution, past history, family history, etc., can only be understood by asking questions, so asking questions is an important part of TCM diagnosis, which can provide an important basis for distinguishing yin and yang, exterior and interior, cold and heat, and excess and deficiency of diseases.

6. Pulse diagnosis refers to the doctor's diagnosis of the patient in some form by hand, or cutting or pressing, or touching or knocking to obtain dialectical data. Pulse diagnosis includes pulse diagnosis and pulse diagnosis.

7. Eight-class syndrome differentiation is a method to diagnose diseases from eight aspects: exterior and interior, cold and heat, deficiency and excess, and yin and yang. Although it is necessary to combine the syndrome differentiation of etiology, Wei Qi Ying Xue and so on to improve the diagnosis, it is the basis of all kinds of syndrome differentiation and plays the role of grasping simplicity, controlling complexity and outlining.