The knee joint is significantly swollen, localized pain, subcutaneous bruising, bruising is generally more in the history of trauma to the knee joint suffered sudden valgus or rotational force, ligament rupture, then to avoid ligament damage in daily life and sports, in addition to avoid too strenuous and difficult movements, strengthen the muscle exercise accident, dietary attention is also very important, then take a look at what is contraindicated it. Diet avoid eating: 1, carp, sour bamboo shoots, ginger, etc., Western medicine, especially hormone-containing drugs are contraindicated. Not too much activity in the affected joint, so as not to aggravate the injury. 2, general soft tissue injuries are present in the phenomenon of stagnation of blood stasis, optional food with qi flow, blood stasis, pain relief, such as panax ginseng, white onion, orange peel, rose hips, crab, rape, cicada, eggplant, hawthorn, etc.. However, it must be noted that if there is still bleeding phenomenon, it is not suitable to choose. 3, eat more with laxative, fiber-rich food to keep the bowels open. 4, injury for a long time, most of them also have deficiency evidence, it is appropriate to choose foods that benefit the liver and kidney, such as grapes, black beans, pork, mutton, rabbit, etc. Recovery is helpful. 5, the correct functional exercise of the joint parts, avoid excessive force, strenuous exercise or premature exercise. Patients with significant swelling on the inside of the knee joint, severe localized pain, subcutaneous bruising, and bruising should choose a diet therapy suitable for them under the guidance of a doctor to supplement other treatments to achieve better results.