Tendinitis is a self-limiting disease. Patients with milder conditions can recover on their own with active rest and removal of triggers. However, patients with more severe symptoms usually need to be relieved through physical therapy, medication or surgery. Tenosynovitis is an acute or chronic inflammatory reaction of the tendon sheath. It occurs in the hands and wrists, and is most common in people who work with the hands and wrists for a long time, such as typists, orchestra players, pianists, etc. It mainly manifests itself in localized pain, pressure and pain, and limited joint movement. Chronic strain injury is the main cause of tenosynovitis, in addition, trauma, infection, cold, rheumatism, etc. are also common causes of tenosynovitis. Therefore, relieving the causative factors is the key to treating tenosynovitis. Reducing the frequent activities of the diseased area and paying attention to rest are the main treatments for the disease. Therefore, it is recommended that patients should be targeted treatment according to the cause of the disease, strictly follow the doctor’s instructions for medication, treatment of the original disease, to remove the triggers, so as to avoid aggravation of the condition.