There is no fastest way to get rid of fluid in a worn out meniscus. If there is effusion in meniscus abrasion knee, there are generally conservative treatment or surgical treatment, etc. Patients should choose the treatment according to their own situation. 1. Conservative treatment: Under conservative treatment, a brace can be worn to stabilize the joint, and attention should be paid to rest and maintain a balanced diet to provide sufficient nutrition. Medications can be taken to relieve pain by taking non-steroidal anti-inflammatory drugs such as ibuprofen extended-release capsules. At the same time, ointment can be applied to promote the absorption of fluid, such as blood circulation and pain relief cream. 2. Surgery: If there is a lot of fluid, after talking with the doctor, the patient can choose the appropriate surgical treatment such as meniscus repair surgery, so as to eliminate the accumulation of fluid and achieve the therapeutic effect. If you suffer from meniscus wear and tear, fluid in the knee, you should go to the hospital in time, under the guidance of the doctor for treatment.