The bottom of the foot has pimples are considered to be corns, metatarsal warts, callus caused by. 1. Chicken eye: the formation of chicken eye is mostly due to the skin long-term extrusion or friction and caused by the limited, keratosis pilaris disease. Patients will show that the soles of the feet have pimples, and show soybean-like size or broad bean-like size of the form, its texture is hard, and keratosis organisms in the middle, can be seen as the eyes of the chicken as the keratinization of the ring. 2. metatarsal warts: metatarsal warts are caused by human papillomavirus infection, but may also be caused by trauma, friction or sweaty feet and other related factors. In the early stages of the disease, the surface of the small shiny pimples on the soles of the feet, with the aggravation of the disease, it will grow to the size of soybean or larger pimples, the surface of the state of keratinization, and even several metatarsal warts gathered together to form a number of keratinous soft core. 3. callus: most of the patients are due to long-term pressure or friction and the occurrence of the thickening of the stratum corneum, but also does not exclude and the patient’s own physical quality, occupation or foot deformity and caused. When patients have lumps on the soles of their feet, they should pay high attention and go to the local hospital in time to find out the problem as early as possible and treat it as early as possible to avoid the development of the disease.