Chipping a piece of flesh off a finger usually takes about 1 week to 1 month to heal, but the exact time varies depending on the extent of the injury. If the wound is not deep, after the finger has been cut, it can be sterilized with saline or iodine solution and then bandaged, making sure the cut is clean and dry to avoid infection. In this case, it usually grows back in about a week. If the injury is not handled properly, bacterial infection can produce inflammatory reaction, pus and effusion, etc., you can apply non-steroidal anti-inflammatory drugs under the guidance of the doctor, and if the effusion is serious, surgical incision and drainage is also required. In this case, it usually grows well in about a month. Patients should pay attention to avoiding excessive activities of finger exertion, and elevate the limb when resting to relieve the pain. In daily life, pay attention to have more rest, the wound to avoid water, keep the wound clean and dry, also do not deliberately apply skin care products to prevent infection. In addition, it is recommended that patients whose fingers have been cut off a small piece of flesh go to the hospital in time to treat the wound.