Feet sweat a lot, foot odor, first of all, we should pay attention to the cleanliness of the skin, often bath, keep the local dry. If the foot odor is more powerful, you can wear breathable shoes. The purpose of topical treatment is to do the role of clean sterilization, astringent anti-sweat. You can use 3% or 5% formalin solution, as well as 2% alum solution, or 0.1% Neosporin solution applied externally 1-2 times a day. For serious foot sweating, a 1:5000 potassium permanganate solution can be soaked for 30 minutes once a day. Secondly, physical therapy or surgical treatment can also be used. Finally, oral medication, if the condition is serious, can be treated with oral anticholinergic drugs or sedatives.