The knee has fluid meniscus injury can paste some blood pain relief cream such as musk pain relief cream or joint pain relief cream, relieve pain and swelling, some of the effect is not obvious need to take surgical treatment. The knee has fluid meniscus injury, minor injuries can take conservative treatment, can be applied under the guidance of a doctor to activate blood pain relief cream such as musk pain relief cream, joint pain relief cream, yunnan baiyao cream, activate blood circulation and eliminate blood stasis, reduce swelling and relieve pain, allergic to the cream can not be used. Pregnant women and lactating women should not use. In addition to the application of ointment can also be oral diclofenac sodium enteric-coated tablets and glucosamine sulfate capsules, take ultrasound physiotherapy or infrared physiotherapy. Meniscus injury with effusion in the knee can be used under the guidance of a doctor. If the conservative treatment is not effective, meniscus repair surgery can be taken.