The inability to cross-leg after minimally invasive knee meniscus surgery is mainly considered to be related to the lack of full recovery of the meniscus, limited knee joint activities, traumatic inflammation and so on, and can be relieved by choosing medication, exercise therapy and physical factor therapy. 1. The meniscus has not fully recovered: if the meniscus has not fully recovered after the minimally invasive meniscus surgery, it will affect the activities of the knee joint, so it will lead to the inability to cross-legged. At this time, don’t force cross-legged, in order to prevent aggravating the damage. You can take medicines that nourish joint cartilage to promote recovery, such as chondroitin sulfate. 2. Knee joint activity limitation: after knee meniscus minimally invasive surgery, if the braking time is relatively long, there is a problem of knee joint activity limitation, which will lead to the inability to cross-legged, you can choose the method of sports therapy to relieve, such as loosening of the knee joint, restoring the range of motion, and you can gradually complete the cross-legged action. 3. Traumatic inflammation: If traumatic inflammation occurs after minimally invasive meniscus surgery, it is easy to cause knee pain and swelling, so you can’t cross your legs, you can choose ultrashort wave treatment with magnetic heat therapy to promote the dissipation of inflammation and relieve symptoms. Specific treatment needs to be carried out under the guidance of a professional physician, usually do not carry out too much weight-bearing activities, as far as possible to reduce the load on the knee joint, to reduce the probability of meniscus injury.