Toe short extensor muscle is located in the dorsum of the foot under the skin, below the long toe extensor tendon, as a weak flat muscle, toe short extensor muscle pain, mainly due to strain, trauma, infection, tendonitis and other reasons, it is recommended to promptly seek medical examination to clarify the specific causes, and follow medical advice to actively carry out treatment, as follows: 1, strain: if too much walking recently, excessive local stimulation, will cause toe short extensor muscle strain, a large amount of lactic acid accumulation in the The local muscle, thus causing pain in the toe short extensor muscle, you can pay more attention to rest, through massage or hot compress and other methods to promote the rapid absorption of lactic acid, to relieve pain symptoms; 2, trauma: if the local external force, such as sprains, strains, etc., will cause damage to the toe short extensor muscle, resulting in local congestion and edema, will also cause pain in the toe short extensor muscle, need to pay strict attention to rest and braking, oral non-steroidal 3, infection: if the skin is broken or local invasive operations, so that bacteria invasion, growth and reproduction, will lead to local tissue destruction, congestion and edema, will also cause the short extensor muscle pain, often accompanied by redness, fever, and even purulent discharge, need to take purulent secretions to do bacterial culture and drug sensitivity test. According to the results of the culture test, choose effective antibiotics to control the infection, if necessary, you need to carry out incision and drainage treatment; 4, tendonitis: due to prolonged overdrawing stimulation, cold, moisture, cold and other factors, it will cause aseptic inflammation of the tendon of the short extensor muscle, there is inflammatory exudation, will also cause pain in the short extensor muscle, you can apply local prednisolone acetate and lidocaine hydrochloride for closed injection. The pain can be relieved by local injection of prednisolone acetate and lidocaine hydrochloride and by oral administration of anti-inflammatory and analgesic drugs such as Nimesulide capsules. Once the pain occurs in the short toe extensor muscle, pay more attention to rest, avoid strenuous exercise, prolonged standing or walking, minimize local stimulation, and pay attention to warmth.