The study of TCM constitution theory is an innovation and breakthrough in the basic theory of TCM, which is highlighted in the basic arguments such as "constitution-oriented, body and spirit constitute, body and disease are related, and can be divided and adjusted", that is, ① constitution can be divided: human constitution can be objectively classified, and TCM constitution classification has literature basis, clinical basis and corresponding biological basis; (2) Physique theory: Physique is the combination of specific physical quality and certain psychological quality, which embodies the idea of "unity of form and spirit" in TCM; ③ Theory of correlation between physique and diseases: there is obvious correlation between physique and diseases, and physique types affect the tendency of onset; ④ Theory of adjustability of constitution: Constitution has both stability and variability, and its bias can be adjusted through intervention, which reflects the adjustability of constitution.

The textbook Constitution of Traditional Chinese Medicine systematically discusses the concept and category, constitution formation, constitution classification, constitution physiology, constitution pathology, constitution diagnosis, constitution and treatment, constitution and health preservation prevention, etc. , the extension and innovation of the basic theory of traditional Chinese medicine are realized, and a new cognitive system is provided for life science. The textbook puts forward and involves many important scientific propositions, such as exploring the scientific connotation of "the unity of form and spirit" from the aspects of morphological structure, physiological function, psychological characteristics and biological inheritance, and revealing the physical phenomenon composed of many complicated factors. Through the concrete expression of the thought of "different from person to person", this paper expounds the mechanism and method of physical adjustment, further reveals that traditional Chinese medicine is holistic medicine, and provides theoretical basis for individualized diagnosis and treatment. The classification of TCM constitution, the correlation between constitution and diseases, and the adjustability of constitution are the three main lines of this textbook and the main tasks of constitution research in the future.

As one of the contents of the "2 1 1 project" of the Tenth Five-Year Plan of the Ministry of Education, the textbook "Constitution of Traditional Chinese Medicine" has opened up a new field for the basic education of traditional Chinese medicine through the joint efforts of experts from Chinese medicine colleges and related scientific research institutes on 19. In the process of compiling teaching materials, we attach great importance to maintaining the integrity and systematicness of the subject itself, and strive to embody the basic concepts, principles, laws and research methods of TCM constitution. On many important academic issues, the editorial board has also organized meetings for demonstration and discussion for many times, forming a relatively consistent understanding and ensuring the quality of teaching materials. The compilation of the textbook "Constitution of Traditional Chinese Medicine" adapts to the development of the discipline, cultivates talents in the new century, and faces the needs of the reform of curriculum system and teaching content in the new century. Since 1970s, new achievements have been made in the study of TCM constitution theory, which is also a new breakthrough in the basic theory of TCM. To revitalize traditional Chinese medicine, we must revitalize academics and revitalize theories. Traditional Chinese medicine will achieve sustainable development through theoretical self-renewal and continuous innovation in the process of human beings.