Summer is the season with the highest yang, and the climate is hot and full of vitality. At this time, it is a period of metabolism, with yang as the outside and yin as the inside, and the blood circulation is correspondingly vigorous and active on the body surface. Summer health care focuses on mental adjustment, maintaining a happy and stable mood, and avoiding great sadness and joy, so as not to add fuel to the fire. Calm people and cool themselves, which can achieve the purpose of health preservation. In terms of mental adjustment, maintain a happy and stable mood, and avoid great sadness and joy, so as not to add fuel to the fire with heat. Calm people and cool themselves, which can achieve the purpose of health preservation.