I don’t know when yoga came into the life of Chinese people, health care, body and mind, has become the choice of white-collar and beauty ladies, propaganda said “how soft your spine, how young people”, Ms. Zhou also want to be young, this trend a catch, not only did not shape, but also hurt the body. The woman did not expect that a normal yoga class would cause her to suffer so much. The pain in the knee joint is unbearable, she went to the hospital for a checkup, synovitis! Synovitis is a multifaceted disease that develops mainly in the knee joint. Synovitis can cause temporary or long-term partial loss of labor and can be very harmful to patients. The knee is the joint with the most synovial membranes, the largest joint surface, and the most complex structure. Because the synovial membrane of the knee is extensive and located in the more superficial parts of the limb, it has more opportunities for injury and infection. Synovitis of the knee is a syndrome caused by sprains and a variety of intra-articular injuries to the knee. For example, meniscal injury, synovial injury, cruciate or collateral ligament injury, intra-articular injury and dislocation, knee osteoarthritis secondary to chronic synovitis of the knee and joint free bodies.