Sweaty palms in summer, mainly body temperature rise, the body’s thermoregulatory center to regulate the body temperature of the normal phenomenon. If not only the summer palms love to sweat, other times the palms of the hands are also wet, is the hand sweat disease caused by. There are three main causes of hand sweating. 1, emotional tension. Sweating is the body’s means of regulating body temperature, when the mood of the person is in an extremely tense, excited situation, the palm of the hand will naturally sweat a lot. If it is more than the amount needed for thermoregulation, it belongs to the sympathetic nerves are too hyperactive caused by. 2, working life factors. Severe hand sweating patients, the palms of the hands can drip water, although there is no effect on physical health, but to the patient’s daily life, work has brought a lot of trouble, resulting in irritability and depression, which will aggravate hand sweating, but also induced hand sweating causes. 3, secondary to other diseases. Secondary hand sweating is mainly caused by other diseases, such as hyperthyroidism, menopausal syndrome, mental disorders, diabetes, etc., the same will occur in the sweaty palms phenomenon. The first thing to rule out is whether it is due to a disease. In general, diabetes, hyperthyroidism, hypertension, congestive heart failure, hemiplegia spinal trauma, tumors, tuberculosis, etc. can lead to abnormal sweating, accompanied by obvious corresponding symptoms. In this case, the condition must be controlled in a timely manner, and the excessive sweating situation can be resolved later. 4, hyperhidrosis. Usually sweaty hands and feet, may be a kind of hyperhidrosis. Due to excessive sweating, so in social occasions need to shake hands, often have a hand difficult to stretch the embarrassing scene. In general, normal people only sweat easily after physical labor or in the high temperature environment in summer, but in normal times the hands and feet are rarely sweaty. The occurrence of hyperhidrosis may be related to endocrine dysfunction. Clinically, hyperhidrosis of the hands and feet often begins in childhood or adolescence, and can occur in both sexes and last for several years, but is reduced or resolved after the age of 25. In addition, the occurrence of hyperhidrosis and mental factors, such as emotional tension, pain, fear and other stimuli and cause sweating, mostly due to sympathetic dysregulation.