Sweating of the feet in summer is mostly seen in normal physiological conditions, but also in pathological causes, such as hyperhidrosis. Physiological causes do not require special treatment, hyperhidrosis can use 5% alum solution and other external drugs, if necessary, to remove sweat glands. 1. Physiological conditions: such as normal healthy people in mental stress, mental tension, high environmental temperature, pregnancy, anxiety, anger, fear and other situations can occur foot sweating phenomenon, generally do not need special treatment, need to pay attention to foot hygiene. 2. Hyperhidrosis: mostly due to endocrine disorders or hormonal disorders and other reasons, the treatment often need to follow the doctor’s instructions to give topical medication, such as 5% alum solution, 2% to 4% formaldehyde solution, etc.; can also be given to the sedative drugs (bromine, chlorpromazine, etc.), anticholinergic drugs (atropine, etc.); can be given to the doctor’s instructions to remove the sweat glands, such as surgical treatment. There are many other reasons for sweaty feet in summer, and it is necessary to consult a doctor in time to avoid aggravation of the condition.