Tinea pedis, commonly known as athlete’s foot, is caused by fungal infection of the foot skin and has a high incidence. It can cause discomfort such as itching, blistering, flaking, and dry cracking of the foot, and in severe cases, erosion and flowing water, causing allergic reactions and even infection causing dermatitis, cellulitis, or eczema, and can also infect other parts of the body or other people, causing serious harm. The clinical manifestations of tinea pedis are diverse and are clinically classified into hyperkeratotic, papulosquamous, blistering, and interdigital erosions, and can vary from site to site and from season to season. Tinea pedis is easily confused with some other diseases, so if you have any of these discomforts on your feet, you should visit a regular hospital and have a fungal examination performed to clarify the diagnosis. Once the diagnosis is confirmed, medication should be used under the guidance of a physician. Prevention is to pay attention to personal, family and collective hygiene, keep the feet dry and fresh. If left untreated, it can cause complications such as onychomycosis, ringworm, tinea, cellulitis, lymphangitis, lymphadenitis, ringworm rash, rubber swelling, etc. Therefore, it should be prevented and controlled in the early stage.