When bruises form a hard mass, it takes a long time to eliminate, if timely measures are taken for symptomatic treatment, it can usually be eliminated in about 7 days, if there are no elimination measures, it usually takes about 10-20 days to eliminate on its own. When the body is injured due to sports or external forces, the corresponding parts often appear bruising performance, early bruising, as soon as possible after the ice or cold towels for cold compress treatment, subcutaneous bleeding, tissue swelling will be alleviated, 48 hours later, hot compresses to promote local blood circulation, reduce the sense of swelling and pain. At the same time, it can be combined with certain methods of massage and massage. If there is no inflammation, the bruised hard mass can be eliminated in about 7 days. During the recovery period, patients need to pay attention to improving their diet and lifestyle, such as a regular work and rest schedule and not eating spicy and stimulating, seafood and other foods to help speed up the recovery.