A meaty lump on the toe may be caused by diseases such as corns, metatarsal warts, common warts, tendon cysts, and dermatofibromas. 1. Chicken eye: often because of the shoe size is not appropriate, long time standing walking, foot deformity, etc., so that the local long-term mechanical stimulation or friction, may lead to the friction parts of the limited yellowish or dark yellow keratosis. 2. metatarsal warts: metatarsal warts are caused by human papilloma virus infection of the plantar skin, the local skin epidermal cells abnormal differentiation, value-added, resulting in local skin hyperkeratosis, thickening of the skin lesions, and pain caused by pressure. 3. common warts: common warts are also caused by human papilloma virus infection of the skin mucosa, resulting in local benign growths, can occur in the feet, resulting in the local appearance of the size of a needle cap, grayish-white flat pimples, the surface is rough, and can be gradually enlarged to form the size of a soybean or fava bean obvious redundancy, higher than the surface of the skin. 4. Tendon sheath cysts: tendon sheath cysts are common chronic skin diseases in orthopedics, which are benign cysts, related to long-term injuries, and can occur in different tendon parts of small joints of hands and feet. In the early stage, the lump is small, with the growth of the lump, the localization may appear round or oval lump, with smooth surface and clear boundary. 5. Dermatofibroma: Dermatofibroma can be located in the toes, manifested as local round hard nodules, elevated on the surface of the skin, hard texture, often without conscious symptoms, resulting in localized bumps on the toes. It is recommended that patients with a pimple on the toe should go to the dermatology department of the hospital in time, and give medication, physical therapy or surgical treatment for the cause of the disease after a clear diagnosis.