Acute and chronic nail fungus is a common clinical disease, often caused by the skin near the nail groove by the nail groove deformity of the finger (toe) traumatic irritation or cut finger (toe) nail too deep combined infection, clinical manifestations of local pain, nail groove flushing, swelling, inflammatory changes in the surrounding tissue, and even purulent secretions, toe is common, can also be complicated by fungal infection. It seriously affects the function of the hands and feet, and in severe cases, it often does not heal itself and recurs. Acute nail infection is often treated locally with systemic treatment, such as oral penicillin cephalosporin antibiotics, local external iodophor soaking, topical antibiotic ointment or infrared irradiation, etc. In severe cases, the nail must be removed or incised and drained.