Small pimples on the feet is very itchy, consider with tinea pedis, contact dermatitis and other factors, can be applied externally antifungal drugs, oral anti-allergy drugs, etc. for treatment. 1. Tinea pedis: small pimples on the feet caused by tinea pedis will usually appear in the toe crevice, and will be accompanied by itching, blisters and other manifestations. This is due to fungal infection, can be in the doctor’s guidance of topical application of antifungal drugs, such as topical application of ketoconazole cream, terbinafine hydrochloride cream and so on. 2. Allergic dermatitis: small pimples will grow on the feet after contact with allergens, accompanied by itching, redness and swelling and other symptoms. The first thing you need to do in this case is to look for allergens, avoid contact with allergens or avoid violent scratching, etc. You can also take medication under the guidance of a doctor. You can also take medication under the guidance of a doctor, such as oral cetirizine hydrochloride and other antihistamines. Itchy small pimples on the feet, if the long time does not relieve, need to consult a doctor, according to the cause of the symptomatic treatment.