The most common factors are infectious factors. When the body is attacked by bacteria, viruses, fungi, atypical pathogens and other harmful substances, inflammatory factors will produce certain inflammatory mediators in the body including interleukin-6, histamine, leukotrienes, bradykinin, prostacyclin, and such inflammatory mediators will cause the body to produce clinical symptoms and clinical manifestations of soreness and swelling; 2, The body is also related to non-inflammatory infections, such as rheumatism, tuberculosis, connective tissue disease, dermatomyositis, lupus erythematosus, etc., which can cause the clinical manifestations of body aches and pains; 3. It is also related to endocrine diseases and rare diseases, such as periodic hyponatremia, hypokalemia and severe anemia, tumors can cause body aches and pains; 4. If the previous day’s exercise is too much or the exercise is done in an incorrect way or in an incorrect way, which leads to rhabdomyolysis or excessive accumulation of lactic acid in the body, it can also cause the clinical symptoms and manifestations of body acidity.