Bleeding inside the finger should first clarify the cause of bleeding, if it is a more intense blowout or serious crush injury, resulting in bleeding inside the finger and the formation of significant swelling, loss of mobility, it is recommended to promptly go to the hospital to check the X-ray of the left hand, to see if there is any damage to the joints or phalanges, if the bleeding is more serious may also need to be incised and decompression, to carry out the wound within the hemostasis and then suture. If only small bleeding, a little blood seepage under the nail bed, early can be used in the form of cold compresses, contraction of bleeding capillaries to reduce bruising, there is a certain analgesic effect, and then if 24-48 hours later, there is mild swelling can be changed to hot compresses to expand blood vessels, promote local circulation, with the use of bruise ointment such as yunnan baiyao, safflower oil for swelling massage, during the injury period of the joints due to the more flexible, try not to exercise after the injury, but to avoid the use of the joints. During the period of injury, the finger joints are more flexible, try not to exercise after the injury, do not carry heavy objects to strengthen the burden.