Itchy red dots on the center of the foot can be considered eczema, tinea pedis and so on. 1. Eczema: if the patient’s red dots on the heart of the foot manifested as polymorphic rash, oozing tendency, self-conscious itching and other symptoms, it can be considered to be the feet of eczema; this disease is mostly in the immune function abnormality, systemic diseases (such as endocrine diseases, malnutrition, etc.), contact with the environment or food allergens (such as frequent contact with dirty water, soil or wearing rubber, plastic shoes, etc.) induced. 2. Tinea pedis: the fungal infection of the foot caused by dermatophytes (i.e. tinea pedis) can also have the symptom of red itchy spots on the heart of the foot; this disease is mostly caused by fungal infections of Trichophyton rubrum, Trichophyton suis and other fungal infections; such as the patients infected with ringworm of the foot before the public bathrooms, swimming pools, gymnasiums, and other public areas of the barefoot walking, sharing towels and so on, all of which can directly or indirectly touch the causative organisms. At the same time, the hot and humid environment is the promotion factor of tinea pedis, such as sweaty feet, often wear breathable shoes, etc.; Immunity function is impaired (such as diabetes, AIDS, etc.) patients with tinea pedis incidence rate is also higher. It is recommended that patients seek timely medical treatment, go to regular hospitals for fungal and other related examinations, to clarify the cause of the disease, and then receive appropriate treatment.