The meniscus injury after the patient, causing significant fluid in the knee, the elimination of the approach needs to do the following: 1, for the symptoms are relatively light, choose to actively carry out conservative treatment, try to reduce the local stimulation, not to get cold, less walking. The local herbs can be used externally to activate blood circulation and remove blood stasis, and can be boiled and fumigated. For patients with very large amount of fluid and very serious meniscus damage, it is necessary to actively perform arthroscopic surgery.