The common causes of muscle and joint soreness in patients are overwork, infection factors, fatigue injuries, etc., as follows: First, overwork: overwork is the most common cause of this type of symptoms, such as patients who do not exercise often, if they suddenly perform heavy physical labor, it is very easy to cause the relevant joints and muscles to become overworked, and thereafter they will have symptoms of soreness. Second, infection factors: Some patients may be infected with specific pathogens, followed by symptoms, such as when patients are infected with certain influenza viruses, which may induce a specific immune response in the body, causing muscle and joint soreness. Third, fatigue injury: Some patients may have such symptoms due to overuse of the motor system, such as professional sports players who overuse certain joints and muscles, which may cause fatigue injury and lead to soreness.