In Chinese medicine, the pathogenesis of knee osteoarthritis is the blockage of meridians, loss of harmony between qi and blood, stagnation of qi and blood, interconnection of phlegm and stasis, and deficiency of positive qi. The symptoms of osteoarthritis include pain and swelling of the knee joint, heavy weight, unfavorable flexion and extension, enlargement and stiffness. Traditional medicine in China divides osteoarthritis into wind-cold-damp obstruction, wind-damp-heat obstruction, liver-kidney deficiency, phlegm-stasis paralysis, etc. The clinical manifestations of different types are as follows: 1. Wind-cold-damp paralysis: divided into two types of evidence, including cold wins pain paralysis evidence, manifested as sharp pain in the limb joints, fixed and immovable, pain in cold, pain in heat decreases, heavy joint flexion and extension unfavorable, tongue coating light white, pulse string tight or sinking late. The second is the wet wins the paralysis evidence, manifesting as heavy, sore and painful joints, heavy joints swollen and diffuse, heavy does not move, limb movement inconvenience, tongue texture light, moss white greasy, pulse moist and slow; 2, rheumatic heat paralysis evidence: joint pain can involve one or more joints, inconvenient movement, local burning, red swelling, pain is not touchable, get cold is comfortable, or subcutaneous nodules or red spots, may be accompanied by fever, sweating, thirst, etc., tongue texture red, moss yellow or 3, phlegm and stasis paralysis evidence: paralysis for a long time, muscle and joint tingling, fixed, or joint skin purple, swelling, pressed harder, limbs numb or heavy, or joint stiffness and deformation, flexion and extension unfavorable hard nodes, petechiae, dark face, purple and dark tongue, or petechiae, moss white greasy, pulse string; 4, liver and kidney deficiency evidence: paralysis for a long time, joint flexion and extension unfavorable, muscle thinning, waist and knee The symptoms of paralysis are prolonged, the joints do not flex and stretch well, the muscles are thin, the waist and knees are sore and soft, or the limbs are cold, the five hearts are hot and bothered, the tongue is light red, the moss is thin and white, and the pulse is sluggish or thin. According to the different types of symptoms, we can treat the symptoms by dispelling wind and cold, relieving pain, resolving phlegm and dispersing stasis, and tonifying the liver and kidney.