The root cause of hand and foot hyperhidrosis needs to be clarified and analyzed as follows: 1. pathological hyperhidrosis: caused by some diseases, such as tuberculosis, rickets, hyperthyroidism, diabetes, mental disorders and other systemic diseases, patients can be accompanied by other symptoms, usually need to treat the primary disease, so that the symptoms of hand and foot hyperhidrosis can be eradicated; 2. physiological hyperhidrosis: may be due to abnormal autonomic function regulation. It is necessary to make adjustments in life and diet, such as reducing stress, consuming less or no spicy and stimulating food, and drinking less coffee, tea and other beverages that can easily cause excitement in the human body, as well as giving medication, botulinum toxin local injection treatment, herbal conditioning or surgery.