The law of human life must conform to the changes of the four seasons. It is warm in spring, hot in summer, dry in autumn and cold in winter, which is the normal climate of the four seasons. If the climate is abnormal, or there is deficiency in it, it may be the pathogenic factor. This book aims at health care, focusing on spring, summer, autumn and winter, focusing on psychological health care, daily health care, leisure health care, sports health care, diet health care and disease-free health care. This paper introduces simple and easy health care methods and related taboos in daily life from both positive and negative aspects, which combines the essence of health care knowledge at home and abroad, and is scientific, practical and readable.