Plantar warts are not corns, and there are differences between the two in terms of causes, symptoms and treatment. 1. Etiology: plantar warts are benign superfluous organisms produced by the infection of the skin and mucous membranes with human papilloma virus. Chicken eye is an overgrowth of the stratum corneum, mainly caused by long-term mechanical stimulation, such as pressure and friction. 2. Symptoms: The common warts that occur on the soles of the feet are called plantar warts, and the lesions are often brownish yellow or yellowish flat papules, which can be asymptomatic or painful. The warts often involve prominent stress areas, such as the outside of the little toe, heel and toe dorsum, the lesions are often a clear boundary of the dark yellow or yellowish round keratinous embolus, if the compression of the dermal layer of the nerve endings, walking or standing can be self-conscious severe pain. 3. Treatment: metatarsal warts can be treated with physical therapy such as freezing, electrocautery, etc., but also external drugs such as retinoic acid ointment, fluorouracil and so on. Chicken eye is mainly to avoid friction and extrusion, external use of chicken eye cream, 50% salicylic acid ointment, etc. Surgery can be taken to remove the corns, can also be used to freeze, laser and other treatments. If you have plantar warts and corns, you need to go to the hospital in time, improve the examination and diagnosis, and then follow the doctor’s instructions to standardize the treatment, so as not to delay the condition.