Tenosynovitis of the dorsum of the foot is mainly caused by repeated overstretching and irritation, local trauma or cold, which can lead to localized sterile inflammation of the dorsum of the foot, thus causing tenosynovitis. Usually, the main symptom is local pain, and some patients may affect the patient’s normal local activities. The treatment can adhere to the daily local scalding, with stretching grass, through the bone grass, safflower, angelica, peach kernel, licorice, boiled after first smoked after washing, 2 times a day, each time more than half an hour effect will be more obvious. You can use some topical ointment to activate blood circulation and resolve blood stasis, such as blood circulation and pain relief cream, and take oral non-steroidal anti-inflammatory and analgesic drugs for treatment, such as ibuprofen extended-release capsules, and also local closed injection, applying prednisolone acetate, and lidocaine for closed injection is perfectly fine.