There are various causes of red, swollen and itchy heels, the most common being caused by more sweaty feet, which can be seen to be moist in the patient’s shoes during examination, but the patient often feels no pain, just an itchy feeling. Usually, you can wear breathable shoes and cotton socks that can easily absorb sweat, or you can use Chinese herbal medicine to soak your feet every night, which can achieve the effect of astringent and anti-sweat, and relieve the redness and itchiness. However, if there is no relief for a long time, it is recommended to consult a doctor for further examination. If there is a fungal infection, it is tinea pedis, which occurs in the summer and can be treated with topical antifungal ointment such as terbinafine hydrochloride ointment. Red, swollen and itchy heels may also be caused by frostbite due to inattention to keeping the feet warm in cold weather. The feet show white skin followed by redness and swelling, and may have localized itching and tingling, which can be treated by considering topical application of zinc oxide ointment or frostbite cream to the affected area. In addition, the redness and itchiness of the heel can also be seen in eczema. Eczema on the feet is generally polymorphic, symmetrical, itchy and prone to recurrence, etc. It is important to follow the doctor’s instructions to apply medication, not to use irritating anti-itch medication, keep the skin clean and avoid infection.