Put forward the health system model is

American medical expert Engel. Health system model is a comprehensive and dynamic model, which emphasizes the interaction between biological, psychological and social factors in health and disease. American medical expert Engel put forward the health system model, which promoted the transformation of medical model, from the traditional biomedical model to the biological, psychological and social medical model. This transformation emphasizes the wholeness and individual differences of patients and promotes the humanized and comprehensive development of medicine.