Playing badminton arm soreness, may be excessive exercise, caused by muscle strain (lactic acid buildup) or strain, can be through the general treatment, physical therapy, medication, etc., to relieve the symptoms of soreness. 1. General treatment: should pay attention to appropriate rest, stop playing badminton and other sports, so that the arm muscles are relaxed, to avoid re-exercise, resulting in arm pain symptoms worsen. Pay attention to the warmth of the arm area, avoid getting cold. 2. Physical therapy: within 72 hours of the soreness, the use of ice packs, etc., on the pain site for cold compresses, is conducive to reducing tissue temperature, reduce the production of metabolic wastes; 72 hours later, you can take a hot towel, hot compresses on the pain site, which is conducive to promoting blood circulation, alleviate the soreness of the arm. 3. Medication: If the patient’s soreness is severe and difficult to relieve, or combined with strains, you can take oral non-steroidal anti-inflammatory drugs, such as celecoxib, etoricoxib, etc., to relieve the symptoms of soreness. It is recommended to use medication under the guidance of a doctor, not blindly self-medication to avoid adverse effects.