If the wound bruise is small, it does not need to be drained and can usually be relieved by applying warm compresses and other measures. If the wound is large, it needs to be drained, and the draining method includes puncture and extraction. If the wound bruise is small, you can take hot compresses, grilling and other physical therapy measures to improve local blood circulation, promote the absorption of bruises, so as to achieve relief of wound bruising. If the wound is large, you can go to the hospital for puncture to extract the blood, which can alleviate the situation of wound bruising. After puncture should be bandaged with bandage pressure, bandage needs to be changed frequently, keep the bandage dry, avoid water or wet, so as to avoid infection and other situations. Usually patients should try to eat some light, easy to digest food, do not eat some stimulating or spicy food. Patients should maintain a happy mood, pay attention to more rest, avoid staying up late. If you feel unwell, you should go to the hospital in time to avoid delaying the condition or triggering adverse reactions.