Muscle soreness after swimming can be treated with rest, hot compresses, massage and medication depending on the condition. 1. Rest: muscle soreness after swimming is due to excessive exercise, so that the accumulation of lactic acid in the muscles feel uncomfortable and sore, generally through bed rest, so that the lactic acid in the muscles through blood circulation can be gradually reduced to get relief. 2. Hot compress, massage: use warm water-soaked towel to rub or massage the sore parts to promote blood circulation and relieve muscle soreness. 3. Medication: If muscle soreness is heavy and affects sleep, you can take analgesic and anti-inflammatory drugs such as ibuprofen. Muscle soreness after swimming is not obvious or aggravated by resting, you should go to the regular hospital in time, and the doctor will give you the right treatment according to your specific condition. The above drugs should be applied under the guidance of a doctor.