There are very many conditions that cause bone soreness, including a large number of sports, local inflammation, high fever, etc., as follows: First, a large number of sports: for example, after a large number of sports, it can cause muscle and bone soreness. This is mainly due to the fact that after exercise, there is a large amount of lactic acid accumulated in the local joints and bones, which can cause muscle soreness, bone soreness and joint soreness. Second, local inflammation: it may be caused by local arthritis or synovitis, such as frequent weight-bearing activities, going up and down the stairs, mountaineering, hiking, it is very easy to cause synovitis of the knee joint. When synovitis forms, there will be soreness and pain in both knee joints. If you walk for a long time with weight bearing, with the increase of age, degenerative osteoarthritis of the knee joint will be formed, which is manifested by the continuous increase of synovial fluid secretion, chronic pain in the joints and long-term swelling of the joints. Third, high fever: in high fever due to the increase in basal metabolic rate, lactic acid will accumulate in the joints, there will also be generalized pain and soreness in the bones and joints. When the body temperature drops, this soreness and pain will be significantly relieved.