1.Avoid long standing, squatting, stair climbing and mountain climbing, etc., and establish a reasonable lifestyle. 2.Overweight will increase the burden on joints, and obese people should reduce their weight. Carry out reasonable aerobic exercise and joint muscle exercise, such as walking, swimming, cycling, etc., to maintain joint mobility, enhance muscle strength and increase joint stability. 3.When pain is obvious, oral diclofenac sodium, celecoxib or loxoprofen can be taken for 1-3 weeks to relieve inflammation. 4.Oral glucosamine and chondroitin sulfate, usually for 2-3 months, can be repeated 2-3 times a year, which can promote the repair of cartilage and relieve pain and delay the development of osteoarthrosis. 5.After the pain and swelling are relieved, intra-articular injection of sodium vitreous acid can be given, usually 2ml once, once a week, for 5 weeks as a course of treatment. It can reduce joint pain, increase joint mobility, protect joint cartilage, and has good effect on mild to moderate osteoarthrosis. 6, strengthen the lower limb muscle strength exercises, you can first static squat exercises, if the static squat exercises pain, can be changed to straight leg raising exercises.