When constipation is caused by hypothyroidism, it is important to treat the hypothyroidism first, and then supplement it with treatments for constipation. It is recommended to carry out general treatment and drug treatment under the guidance of doctors. 1. General treatment: When constipation is caused by hypothyroidism, the intake of iodine-containing food and crude fiber (such as seaweed, corn, oats, etc.) can be increased appropriately, but if hypothyroidism is caused by Hashimoto’s thyroiditis, the intake of iodine should be limited. In daily life, it is necessary to exercise properly and improve the bad habits such as staying up late at night. 2. Drug treatment: hypothyroidism can lead to constipation, you can use drugs (such as levothyroxine tablets, etc.) under the guidance of a doctor to promote defecation of drugs (such as lactulose, Keserol, etc.). Patients with constipation in hypothyroidism are advised to consult a doctor in time and not to take medication without authorization to avoid aggravating the condition.