Thyroidectomy may lead to a decrease in thyroid hormone production, which may affect the patient’s digestive system and cause constipation due to decreased bowel movements. Patients can improve their condition through dietary adjustment, medication and other treatments. 1. Adjusting diet: patients should develop good living habits, try to light, easy to digest, rich in dietary fiber food, avoid eating too greasy or too fine food, increase water intake, eat more fresh fruits, vegetables, yogurt and other foods to relieve constipation symptoms. 2. medication: when the constipation is more serious, you can take all kinds of laxatives under the guidance of the doctor, such as magnesium sulfate, lactulose, sorbitol, etc. to promote defecation, but also can be used to assist defecation, such as Keseru, to alleviate the symptoms of constipation. If the secretion of thyroxine is insufficient, you can take thyroxine tablets. 3. Other treatments: For patients with fecal impaction or severe constipation, the condition can be improved by clean enema. Usually pay attention to appropriate increase activity, improve gastrointestinal peristalsis, prevention and treatment of constipation.