Foot odor may be related to physical factors such as unclean hygiene, may also be caused by diseases such as hyperhidrosis, patients are advised to take general treatment, medication and other ways to remove. 1. Physiological factors: If you do not pay attention to personal hygiene or local cleanliness is not in place, may cause foot odor, daily need to wash your feet, can be used with soap, shower gel, etc., to help improve the situation of foot odor. 2. smelly sweating: smelly feet may also be related to smelly sweating, patients should pay attention to daily body cleaning, can be used under the guidance of a doctor, methanol solution, 20% aluminum chloride anhydrous ethanol solution to wash the affected area, to help astringent, antiperspirant. You can also use potassium permanganate solution externally to reduce bacteria and clean the affected area. The causes of smelly feet are not one and the same, after excluding physiological factors, patients are advised to seek medical examination to clarify the causes and standardize the treatment under the guidance of doctors.