The cause of a pit in the heart of the finger may be caused by pyogenic granuloma, dermatofibroma, common warts, etc. According to the actual situation, choose the appropriate treatment therapy, such as topical medication, surgery and so on. 1. Granuloma: If the skin of the finger heart is slightly traumatized, resulting in the rupture of capillaries under the finger skin, bleeding and bruising, and the formation of hard nodules, it can be treated by freezing or laser burning under the advice of a doctor. 2. Dermatofibroma: If the skin fibroblasts in the heart of the finger grow excessively, hard nodules will be produced, resulting in the formation of local skin fibroma, which may be generally related to trauma, mosquito bites and other reasons, and can be treated by laser therapy or surgery under the advice of a doctor. 3. common warts: common warts can lead to hard bumps in the heart of the fingers, usually manifested as gray-brown, rough skin, keratinization obvious phenomenon, related to viral infection. It can be treated with salicylic acid ointment, retinoic acid ointment, fluorouracil cream and other medications under the advice of a doctor. Daily attention should be paid to maintain hand hygiene and cleanliness, avoid trauma, if not effective relief, should go to the hospital in time for examination, symptomatic treatment. The use of drugs must follow the doctor’s instructions, not blindly use their own drugs, so as not to cause adverse consequences.