Lung and kidney are dominant in human organs, and the problems of these organs are usually ignored, especially in hot summer, people who pay attention to summer health care try to nourish lung and kidney. The heart governs the gods and is the master of higher central nervous activities; He is the master of the whole body, the king of internal organs and bones; Main blood, its China is in the face; Sweat control and tongue resuscitation. Heart and small intestine are the difference between exterior and interior. The appearance of whether the heart is normal (1) is full of qi, calm and calm, bright and confident eyes, giving people a sense of beauty; People with insufficient spirit have palpitations, dull eyes and indifference, and what's more, they are world-weary. (2) The heart is full, and there is a bright heart, "its glory is in the face". Full-hearted people, red face and red ears, smooth and tender skin; People with insufficient spirit are pale and have large pores. Because they can't lock the pores, sweat will come out. In severe cases, sweating kills yang. (3) A person with a full heart, a round and bright voice and a full heart has a loud voice and is willing to express himself and be happy; People with insufficient spirit have low voices, sigh, talk little and feel depressed. There are different reasons for mental imbalance: overwork, depression and gloomy heart; Be stimulated and unhappy; Stepping into middle-aged and elderly people, qi gradually weakens; Recover from a serious illness, get angry, etc. Heart imbalance can be divided into yin and yang. Deficiency of heart yang, chills and fatigue; Deficiency of heart yin, long-term heat hurts qi. (1) Differentiation of heart-yang deficiency and heart-yin deficiency 1. "Tongue is the seedling of the heart", and those with tender and fat tongue and white fur are yang deficiency; The tongue is pale with dry and red fur, which is yin deficiency. 2. If there is an ulcer on the tip of the tongue, the white tongue is yang deficiency and the red tongue is yin deficiency. 3. Sigh, spontaneous sweating is yang deficiency; Red face and fever, night sweats are yin deficiency. 4. The heart area is stuffy and suffocating, and those who are timid in the heart are yang deficiency; Those who are hot, stuffy and irritable in the heart area are yin deficiency. (2) The recuperation of the heart aims at the northern autumn and winter climate of human heart-yang deficiency, and creates the corresponding southern spring and summer climate. The two balance each other, and the discomfort naturally fades. In view of the overheated summer climate in the south, we should create a corresponding autumn and winter climate in the north. The two balance each other, and the discomfort naturally fades. Regulating liver and controlling blood has the function of storing blood and regulating blood, so the liver governs the blood sea. When people lie down, blood will flow back to the liver, and the liver will begin to understand the eyes. The main muscle of the liver, in the claws; Main drainage, help digestion and transportation of spleen and stomach. Liver qi rises, and qi is comfortable; Stagnation of liver qi leads to anxiety, impatience and thoughtlessness. Liver and gallbladder are exterior and interior.