Hard bumps protruding from the toes and particularly painful when touched may be related to corns, plantar warts and gouty nodules. 1. corns: a kind of inverted cone-shaped keratosis caused by the local skin being squeezed and rubbed for a long time, the center part of the keratosis can have obvious pain when pressed. 2. metatarsal warts: a skin disease caused by infection with the human papilloma virus, the lesion site often occurs on one or both soles of the foot, especially in the front part of the metatarsal, and there can be pressure and pain when walking. 3. Gouty nodules: nodules are a kind of nodular changes formed by repeated attacks of gout, the nodules are mainly some uric acid crystals, and the joints will have obvious redness, swelling and pain in the acute attack of gouty nodules. For recurring hard lumps or persistent hard lumps, it is necessary to consult the doctor in time and improve the relevant examination, so as to clarify the cause of the disease.