Tendinitis middle finger swelling after surgery can generally be treated by elevating the affected limb and other general treatment, infrared light and other physical therapy, oral swelling and blood circulation drugs and other methods. 1. General treatment: such as elevating the affected limbs, temporarily reducing activities to avoid aggravating edema. 2. Physical therapy: microwave, infrared and other physical therapy after surgery to promote local blood circulation and absorption of edema, reduce swelling. 3. Medication: When the swelling is serious, use medicines such as Mai Zhi Ling and Sodium Heptyl Saponin under doctor’s guidance, which can help to reduce the local swelling. If the swelling is not relieved after the surgery for tenosynovitis, or if it is accompanied by other symptoms, you should go to the hospital in time to get a clear explanation of the cause of the swelling and then give targeted treatment.