The main cause of patellofemoral joint soft tissue injury is that the body is subjected to tremendous violence, which directly or indirectly causes soft tissue injury around the patella, resulting in swelling, pain and other uncomfortable symptoms. If the patellar symptoms are mild and do not affect your life, you can rest at home, apply blood-stasis-boosting drugs such as Yunnan Baiyao, pay attention to daily activities to avoid strenuous exercise, eat a balanced diet, eat more protein-rich foods and fruits and vegetables. Get enough sleep at night, more than six hours, to improve the body’s metabolism and enhance the body’s immunity to the outside world. After three days, if the symptoms are not reduced or aggravated, it is recommended to go to the local hospital to register for orthopedic examination and give symptomatic treatment after a clear diagnosis. Soft tissue injury of the patellofemoral joint should avoid strenuous activities, rest and brake the affected limb, go to the hospital for regular examination, the injury can gradually recover.