The causes of muscle soreness after playing ball are muscle strain, lactic acid push accumulation, muscle contusion, etc., you can choose to rest, ice and other physical therapy to relieve the symptoms, the serious need for pressure bandage, surgery and other treatments. 1. Muscle strain: insufficient preparatory exercise before playing or playing too hard can lead to muscle strain, causing muscle pain, swelling, etc., should immediately stop the movement, and ice the strained area, 72 hours after the heat or massage. If there are muscle fiber breaks, need to add pressure bandage, serious cases need surgery. 2. Lactic acid accumulation: when playing ball muscles can appear hypoxia and anaerobic metabolism, producing lactic acid, excessive lactic acid buildup, resulting in muscle pain, rest after stopping exercise can relieve the symptoms. If necessary, hot compresses and physical therapy can be disposed of. 3. Muscle contusion: If you are hit by the ball or fall down and hit the muscle when playing ball, it can cause muscle contusion, resulting in muscle pain and swelling, etc. If the contusion is not serious, you can apply ice packs for 72 hours and then apply hot packs, or combine with the fracture and need to be reset and immobilized. Oral non-steroidal anti-inflammatory drugs, such as sodium rosoprofen and other treatment. If the muscle pain is not relieved after playing soccer, or accompanied by other symptoms, you should go to the hospital in a timely manner, to identify the cause and then give targeted treatment.