The morning onset of thumb tenosynovitis may be due to the fact that the pain-causing factors produced by tissue metabolism accumulate locally due to prolonged inactivity of the joints during sleep, so that the pain in the fingers is felt to be intensified in the morning. After a night of inflammatory exudation, edema, and adhesions in the tendon sheath, patients with thumb tenosynovitis will inevitably induce more pronounced pain when they get up in the morning and move around. The onset of the disease is relatively slow, to address this situation, the patient wakes up in the morning, do not carry out strenuous activities, you can slowly move the fingers, to promote the spread of inflammation or hot compresses, at this time the morning stiffness can gradually be relieved. If the stiffness of thumb tenosynovitis is not relieved after waking up for a period of time, the patient should consult a doctor in time, and choose the corresponding treatment method under the guidance of a professional doctor, so that the stiffness can be effectively relieved.