Sore muscles due to sudden increase in exercise are caused by a large accumulation of lactic acid from anaerobic metabolism, which causes soreness after stimulating the patient’s muscles. For this type of situation, the emergency use of ice packs, so that the muscle from the excessive tension to relax. Ice packs can be used either with special ice packs or with homemade ice packs such as dry towels to avoid frostbite. In 1-2 days after the muscle tension and pain is relieved, and then change to hot physiotherapy. There are various methods of hot compress, you can use hot towel wet compress, you can also take a hot bath, warm water sitz bath, etc. 1-2 times a day, 20-30 minutes each time, can play an effective role in relieving muscle soreness. For these patients, it is recommended to do warm-up exercises before increasing the amount of exercise, and the exercise should be gradual, to avoid the sudden increase in the amount of exercise, resulting in muscle soreness and other clinical manifestations.