Sweaty hands and feet may be a normal physiological phenomenon, but it may also be due to hyperhidrosis. Therefore, it should be treated according to the cause, and the common methods include daily care, medication, surgery, and so on. 1. Physiological phenomenon: excessive sweating of the hands and feet can be caused by high temperature, overdressing or too thick bedding at night, etc. It can be relieved by improving the ambient temperature and reducing the number of clothes to be worn, and does not need to be treated. 2. Hyperhidrosis: There are many causes of hyperhidrosis, systemic hyperhidrosis, such as endocrine disorders, diabetes, infections, trauma and so on. At the onset, the hands and feet will show symptoms of excessive sweating. In the face of this problem, it is recommended to follow the doctor’s instructions to treat the primary disease, and use a certain proportion of aluminum chloride solution and alum solution externally for relief. Limited hyperhidrosis, if the drug local treatment does not relieve, can also be local injection of botulinum toxin type A, if necessary, consider the implementation of sweat gland excision surgery to treat. There are many causes of sweaty hands and feet, and if there are no other uncomfortable symptoms, usually do not need to take medical measures, so do not be too nervous.