Bruising and yellowing usually clears up in about 2 weeks. Bruising is bleeding from ruptured capillaries under the skin after a soft tissue injury, which gradually turns yellowish after a week or so as the hemoglobin breaks down. Most bruises are caused by trauma. 1. If the injury is relatively short, a cold compress is recommended within 48 hours to help reduce the size and extent of the bruise. 2. If the injury is long, more than 48 hours, hot compresses can be given to promote the absorption and fading of the bruise. Bruises turning yellow is a phenomenon of improvement, is the process of gradual absorption of bruises in the body. If there is also subcutaneous pain, you can choose to take oral anti-inflammatory drugs such as Panax ginseng tablets, amoxicillin capsules. At the same time, we should do a good job of local care, which is conducive to the recovery of the condition.