Blood donation is not recommended for people with hypothyroidism. Patients with endocrine diseases or metabolic disorders are not recommended to donate blood. Patients with hypothyroidism have low levels of thyroid hormones, and hypothyroidism patients usually need to take medication such as levothyroxine sodium, during the period of medication, there will be a certain concentration of the drug in the blood, which is not in line with the requirements for blood donation. If hypothyroidism is caused by autoimmune abnormalities, the presence of high titers of thyroid-related antibodies in the blood will also affect the quality of blood. Patients with hypothyroidism are prone to anemia, and donating blood will aggravate the anemia and affect their condition, so it is not recommended for patients with hypothyroidism to donate blood. Patients with hypothyroidism should be treated under the guidance of a doctor, and at the same time pay attention to supplemental nutrition, eat more high-protein foods, pay attention to rest, ensure adequate sleep, and less late at night.