If you want to have a less painful buttock injection, you can do epidermal anesthesia, commonly used is to use oxybuprocaine applied to the injected skin, generally wait for about 5-10 minutes, and then do local puncture after the epidermis has the feeling of local anesthesia, to be able to relieve the pain. If you want to relieve the local drug irritation after the buttock injection, or the pain caused by soft tissue injury, you can usually do local hot compresses. But must be local needle mouth completely pressed, after the bleeding is still, after 1-2 hours and then hot compress, can promote the local drug absorption, so as to reduce the drug on the tissue stimulation and relieve pain. In addition, it can also promote the local blood circulation and relieve the pain caused by soft tissue injury.