There is no such thing as the fastest way to reduce the swelling of synovitis effusion, which can be promoted through general treatment, physical therapy, medication and puncture therapy. 1. General treatment: You can take proper rest, immobilize the joint by braking and wearing a brace to reduce the movement of the joint and promote the swelling to subside. 2. Physiotherapy: hot compresses, massage, massage and other physical methods can be used to reduce local swelling. 3. Drug treatment: If synovitis pain, you can take ibuprofen, diclofenac and other drugs for pain relief, but also can use joint pain cream, musk chasing wind cream and other drugs to promote local swelling. 4. Puncture treatment: When there is more fluid in the joints and the swelling is difficult to bear, joint puncture can be carried out to reduce the swelling by suctioning the fluid in the joint cavity. Patients with synovitis that causes localized swelling should consult a doctor in a timely manner and under the guidance of the doctor to carry out standardized treatment to promote the reduction of swelling.