Pimples on the feet, generally refers to the appearance of pimple-like rashes on the skin of the feet, the symptoms are commonly associated with bacterial infections of the feet, allergies, frostbite, tinea pedis and other diseases, mainly manifested as papules and blisters on the feet, often accompanied by redness, swelling and itching. 1, bacterial infection: due to bacterial infection caused by folliculitis or local seborrhea, often manifested as red papules on the feet of patients centered on hair follicles, which can be accompanied by pain. The milder ones can heal on their own, but the serious ones need medication. Commonly used drugs include ichthyolipid ointment, mupirocin ointment, tincture of iodine, cefdinir, azithromycin, etc.; 2, allergy: often caused by external stimuli or mosquito bites allergic reactions, manifested as papular urticaria on the foot, the rash is green beans to peanuts slightly fusiform red windbag-like damage, some can have pseudo-foot, the central tip often has a small blister, the contents clear, no surrounding redness. Commonly used therapeutic drugs are benadryl, glyburide lotion, dexamethasone ointment, etc.; 3, frostbite: poor blood circulation in the foot is prone to frostbite, often manifested as a local swollen purple-red spots, touching the freezing, pressure fading, some people can appear blisters, blisters break leading to local erosion, often accompanied by a sense of pain. In severe cases, it can damage muscles and bones and cause systemic symptoms. Commonly used therapeutic drugs include vitamin E ointment, frostbite ointment, mupirocin ointment, nifedipine, and scopolamine hydrochloride, but they are more likely to recur. 4. Fungal infections: Tinea capitis and Trichophyton rubrum infections can cause blistering scaly pediculosis, which mainly manifests as scattered or clustered pinpoint-sized deep blisters on the foot with thick, tense, shiny walls that do not break easily and resemble pox. It can be treated with oral azoles and arylamides, wet compresses with boric acid solution and Levanoxyl, etc. When the hyperkeratotic type is not chapped, topical keratolytic exfoliators such as salicylic acid and levulinic acid can be used. Pay attention to the choice of antifungal preparations or drugs with little irritation, and avoid using drugs with strong irritation. In addition, mosquito bites and other insect bites can also form a pimple-like rash, often accompanied by itching symptoms, can be self-relieving. Patients with foot rashes should pay attention to foot hygiene, insist on daily foot washing and frequent changes of shoes and socks. If the symptoms are not relieved for a long time, you need to go to the dermatology department of a regular hospital for examination and targeted medication. Daily attention to a reasonable diet, do not eat spicy and irritating food, so as not to aggravate the symptoms.