How long can the nail bruise recover after the fingertip is pinched by the door, generally need to judge according to the degree of being pinched, if the degree of pinched is relatively light, generally in about two weeks the bruise will be able to absorb and recover, if the degree of pinched is relatively heavy then it will take a longer time to recover. When the finger is squeezed by external forces, it will lead to the rupture of subcutaneous cells or capillaries, resulting in blood condensation outside the blood vessels, inactivated red blood will turn into black and show a bruise state, usually the patient will have obvious pain, the pain will be relieved in about three days, but the bruise will take a relatively long period of time to be absorbed by the surrounding tissues to recover. If the patient is pinched fingernail does not appear activity bleeding, local swelling is not serious, can be given within 24 hours of ice packs, and in the pinch after 48 hours to give hot packs, and appropriate use of blood circulation to eliminate blood stasis (to promote blood circulation, eliminate blood stasis in the body) drugs, such as yunnan baiyao capsule, etc., to promote the absorption of the bruise blood. If the fingernail is pinched at the same time skin breakage should be timely medical treatment, under the guidance of a professional doctor standardized treatment, so as not to delay the condition.