Hot compresses for knee pain can cure knee pain if it is caused by exertion or cold, but not if it is caused by knee osteoarthritis, rheumatoid arthritis and other diseases. Part of the knee pain is caused by exertion or cold, these causes of knee pain can be self-healing, the appropriate amount of hot compresses can promote local blood circulation, can speed up the recovery of the condition. If some more serious diseases caused by knee pain, such as knee osteoarthritis, rheumatoid arthritis, simple hot compresses can not be cured, and not be able to eliminate the cause of the disease, the need for targeted treatment will have a significant effect. If it is knee arthritis, you can take oral non-steroidal drugs, such as celecoxib, etoricoxib, you can also inject drugs into the joint cavity, mainly dexamethasone, sodium vitreous acid, the more serious symptoms also need surgical treatment. Rheumatoid arthritis and group A beta hemolytic streptococcus infection is related to the drug control infection, such as benzylpenicillin, but also can use aspirin and other anti-rheumatic treatment. Knee pain should be to go to the hospital for a detailed examination, clear cause of the symptomatic treatment, do not recommend blindly use hot compresses to relieve. The above drugs need to be used under the guidance of a doctor, avoid self-medication.