Foot odor is medically known as tinea pedis. The difference between eczema on the soles of the feet and tinea pedis is mainly in terms of etiology, contagiousness, and symptoms. 1. Etiology: the cause of plantar eczema is still unclear, it may be caused by decreased immunity, skin barrier dysfunction, microbial infection and other reasons. And plantar eczema is mainly caused by fungal infections, such as Trichophyton rubrum, Trichophyton mustelii, flocculent epidermolysis bullosa, and so on. 2. Contagious: plantar eczema is generally not contagious, while tinea pedis is contagious, can be spread in different parts of the patient’s own, but also through the mixing of shoes and socks, public places, etc. for human-to-human, human-to-animal, contaminant-to-human contact spread. 3. Symptoms: The symptoms of eczema on the soles of the feet in the acute stage are mainly papules, blisters, vesicles and oozing, with obvious itching. The chronic phase is mainly different degrees of moss-like changes and other symptoms. And the symptoms of tinea pedis are mainly blisters, flaking of the skin, conscious itching and so on. It is recommended that patients identify under the guidance of the doctor, do not judge blindly on their own, and actively cooperate with the doctor to carry out the appropriate treatment to alleviate the symptoms.