It is caused by athlete's foot and other reasons. I will provide you with some small earthworks. You might as well try (1) White radish to remove foot odor. Cut half of the white radish into thin slices and put it in a pot. Then add an appropriate amount of water and use Simmer over high heat for 3 minutes, then simmer over low heat for 5 minutes, and then pour into a basin. After the temperature has cooled down enough, wash your feet repeatedly. Washing several times can remove foot odor. (2) Oxytetracycline to remove foot odor. Grind oxytetracycline into powder and apply it between the toes. Use 1-2 tablets each time. (3) Salt and ginger water to remove foot odor: Put an appropriate amount of salt and a few slices of ginger in the water, heat it to boiling, wash your feet without scalding them, and scrub them for a few minutes. It not only removes foot odor, but also makes your feet feel relaxed, which can eliminate fatigue. (4) Soybean water to treat athlete's foot: 150 grams of soybeans, about 1 kilogram of water, boil over low heat for about 20 minutes. When the water is warm enough to wash your feet, use it to soak your feet. You can soak for a while longer. It is very effective in treating beriberi. The feet will not peel and the skin will be moisturized. It usually takes three or four days of continuous washing to see results. (5) Fig leaves treat athlete's foot. Take a few fig leaves and boil them in water for about 10 minutes. When the water temperature is suitable, soak the affected areas for 10 minutes, twice a day. Generally, they will be cured in three to five days. (6) Treating athlete's foot with white vinegar. Patients with beriberi can use cotton balls soaked in white vinegar and apply it to the affected area to relieve itching and sterilize the affected area. If there is slight peeling, apply it once and it will last for half a month. If it occurs again, apply again. (7) Beer cures athlete's foot. Pour bottled beer into a basin without adding water. After washing your feet, soak them in beer for 20 minutes and then rinse them. Soak 1 or 2 times a week. (8) Soak your feet in potassium permanganate water to treat athlete's foot. Soak your feet in potassium permanganate water once a month to prevent recurrence. Method: Put two grains (the size of millet grains) of potassium permanganate into half a basin of warm water until the water turns pink, and soak your feet for three to five minutes. (9) Leeks to treat athlete’s foot: Wash 250 grams of fresh leeks, cut into pieces and place in a basin, then add boiling water. When it is cool enough to stand, soak your feet for half an hour. The amount of water should cover the top of your feet. You can rub them with your feet at the same time. Washed again after a week and the effect was great. (10) Treat athlete's foot with young willow leaves. Add a handful of young willow leaves to water and boil them, then wash your feet. (11) APC treats foot odor. Grind one or two tablets of APC into powder, sprinkle it into two shoes respectively, and apply it once every 1-2 days. It has a unique effect. (12) Aloe vera treats athlete's foot. In summer, rub the aloe vera leaves and squeeze the juice onto the feet. Let it air dry naturally. Use one leaf on each foot at a time. (13) Alkaline surface treatment of athlete’s foot. In summer, feet sweat a lot and are prone to athlete’s foot. Before going to bed at night, use a tablespoon of alkaline noodles (that is, the alkali noodles used for steaming steamed buns). After it dissolves in warm water, immerse your feet in the alkaline water for about 30 minutes. If it is mild, two or three times, and if it is severe, four or five times. (14) Zanthoxylum bungeanum salt water to treat athlete's foot. Add 10 grams of Zanthoxylum bungeanum and 20 grams of salt to the water and cook for a while. When the temperature does not prevent your feet from being scalded, you can soak them. Soak for 20 minutes every night. You can recover after soaking for a week. The used pepper salt water can be used continuously after being heated the next day. Use with caution in those with ulcer infection. (15) Pear peel to treat athlete's foot. Just rub the peeled pear peel directly on the athlete's foot. (16) White sugar can cure athlete's foot. Soak your feet in warm water and wash them. Take a small amount of white sugar and rub the affected areas with your hands repeatedly. Wash them after rubbing. You don't have to wash them. Once every two or three days, patients with mild athlete's foot can generally be cured after three times. This method is particularly effective for inter-digital athlete's foot. (17) Alum can treat athlete's foot. Grind alum into fine powder and rub the palms of your feet 3-4 times for 10 minutes. Your feet will no longer sweat or stink. It can last for seven or eight months. (18) Rice vinegar to treat athlete's foot. One pound of rice vinegar, pour the vinegar into a basin, soak or soak twice a day, about an hour each time. It can reduce inflammation and sterilize. It can treat athlete's foot. It is simple, effective and light. It will be cured within four days. (19) Garlic treats athlete's foot. Take two heads of raw garlic, peel them and soak them in half a pound of vinegar for 3 days. Then rub the affected area with the garlic heads, 3 times a day. Use it for 7-10 days, it has the effect of reducing inflammation and killing bacteria