Knee pain may be caused by rheumatism and stasis, knee strain, deficiency of kidney qi, etc. Chinese medicines such as Tianma Pills, Panax ginseng tablets and Jin Gui Kidney qi Pills can be taken under the guidance of a Chinese medicine practitioner. 1. Rheumatism stasis: Rheumatism stasis manifests itself in the form of pain in the knee which is more serious when it meets with cold and is accompanied by limitation of flexion and extension of the knee as well as a feeling of heaviness in the knee, etc. Chinese patent medicines such as Tianma Pill can be taken under the guidance of a doctor. 2. Knee strain: Knee strain is mostly caused by standing for a long time, trauma and other reasons, resulting in stagnation of blood in the knee, which leads to pain in a fixed position of the knee and ecchymosis under the skin, etc. Chinese medicines such as Panax ginseng tablets can be taken under the guidance of a doctor. 3. Kidney qi deficiency: Kidney qi deficiency may cause symptoms such as lumbar and knee pain, pain, spermatorrhea, and loss of appetite, etc. Chinese patent medicines such as Jin Gui Ren Qi Pills can be taken under the guidance of a doctor. When knee pain occurs, patients are advised to go to the hospital in time to clarify the cause of the disease and be treated under the guidance of a Chinese medicine practitioner.