Foot odor is caused by the breakdown of bacteria on the skin. Daily bathing, changing socks, and keeping the feet clean and dry can control this. Using an antibacterial soap and a soft brush to gently grab away dead skin may help. If your feet get wet during the day, you will need to change socks more often.
Always wear socks when you wear shoes. Wear shoes that allow air to circulate, not plastic or synthetic shoes. Wear shoes that allow air to circulate, not plastic or synthetic shoes. Dry out your shoes between wearing. Some foot odor problems are more smelly shoes than smelly feet. You may need to get new shoes.
If the problem continues, you might try an antiperspirant for feet or a foot powder designed to control foot odor. Special insoles with activated charcoal and socks that are designed to help control foot are available in large drugstores or from a foot care specialist.