The most common reasons for leg pain the day after climbing are the following: first, there is no mention of exercise before, after the sudden climbing of the whole leg muscle contraction tension, more activity can appear too much anaerobic exercise, resulting in lactic acid accumulation and leg pain, basically the whole leg will be sore. Second, the cause of the local leg pain may be in the process of climbing sports, resulting in partial muscle strain injury or pain in the knee joint area, possibly meniscal damage, especially in the underlying meniscal disease or osteophytes, osteoarthritis. This pain should be treated with bed rest and hot water foot baths at night to promote blood circulation throughout the lower extremities and absorption of lactic acid buildup in the muscles. If the symptoms gradually reduce, the problem should be relatively mild and the possibility of meniscal injury and other diseases can be ruled out.