The difference between corns and warts includes etiology, manifestation and treatment. 1. Etiology: corns are mainly related to excessive proliferation of the stratum corneum caused by long-term mechanical stimulation such as pressure and friction. Warts are caused by human papilloma virus infection. 2.Symptoms (1) corns: often manifested as the outer side of the little toe and other prominent parts of the force of the skin lesions, lesions are often smooth surface conical keratin embolism, its boundary is clear, often yellowish or dark yellow, and the skin surface is flat or slightly elevated. It can be consciously painful when standing or walking. (2) Warts: There are many types of warts, and their lesions are slightly different. Common common warts can be manifested as gray-brown or brown pimples with a rough surface, which can be papillomatous proliferation and so on. 3. Treatment: The treatment of corns includes medication such as corns cream, physical treatment such as laser, freezing and surgical excision treatment. The treatment of warts includes physical treatment such as freezing, topical medication such as retinoic acid ointment and peptidylamine cream, and systemic medication such as interferon. If there is any discomfort, it is recommended to consult a doctor in time for diagnosis and treatment. The use of specific drugs should be under the guidance of a doctor.