Sweaty palms in the heat of the day may be physiological factors, or spleen deficiency, kidney yin deficiency, blood deficiency and other causes of disease, you should consult a doctor to find out the cause of the disease. When the weather is warmer, the coupling between the skin and the skin is easy to open up and excrete sweat, which is normal and not a cause for concern. If it is caused by pathological factors, you need to be diagnosed and treated by a physician. 1. Spleen deficiency or blood deficiency: In the daily diet irregularity, the patient will easily cause damage to the spleen and stomach, food stagnation in the body, resulting in chancre spleen deficiency, so the patient will appear hot palms. In addition, some people have blood deficiency and yin deficiency, which can also lead to fever in the palms. 2. Kidney-yin deficiency: In kidney-yin deficiency or liver-kidney-yin deficiency (insufficient yin in the liver and kidneys), the patient will often feel tenderness in the lower back and knees, and will often have a dry mouth. At the same time, some serious patients may experience deficiency and hyperactivity of the sexual function. Patients need to take some nourishing drugs to fill the kidney yin. Symptoms alone are not enough to diagnose the disease, and may be caused by other factors. It is recommended that the patient should consult the doctor in time, so that the doctor can clarify the cause of the disease and give targeted treatment.