When teenagers grow up quickly, the phenomenon of growing pains will appear around the knee joint. Growing pains are manifested as more obvious pains at night, and the symptoms can be relieved very quickly after resting and corresponding supportive symptomatic treatments, but the pains will recur repeatedly, and the duration will not be very long. The cause of growing pains is mainly due to the rapid growth of bone, the growth of the surrounding soft tissues can not keep up with the growth of bone, in the movement, activities, easy to cause the surrounding soft tissues and epiphyses between the pull and friction, resulting in pain symptoms. Although growing pains are a physiological phenomenon, they should be taken seriously, and the pain should be treated with braking and resting and local support symptomatically, so as not to allow the pain to persist, otherwise it will cause local proliferation and degeneration, and produce sequelae.