Muscle pain can be caused by exercise, inflammatory infections or the presence of rhabdomyolysis, drug intoxication, or external bruising. The symptoms of muscle pain are as follows: first, muscle aches and pains around the body, accompanied by significant clinical signs and symptoms such as dizziness, headache or malaise around the body. Second, if the muscle pain is caused by excessive exercise, there will also be obvious joint swelling, joint pain and joint pressure pain. Third, if the muscle pain is caused by connective tissue disease, it is mostly muscle stiffness, accompanied by severe pressure, which will be significantly aggravated and painful in the morning and when the weather changes and gets cold. Fourth, in the case of muscle pain caused by systemic infection, clinical symptoms and manifestations such as fever, fever, dizziness, headache, tachycardia, and arrhythmia may also occur.