People with hypothyroidism should first take levothyroxine sodium regularly to maintain serum thyroid hormone within the normal range, and can lose weight by controlling diet and suitable exercise. Hypothyroidism refers to hypothyroidism, the synthesis and secretion of thyroid hormones are reduced, patients will have anorexia, bloating, constipation, pallor, memory loss, muscle weakness, weight gain, drowsiness, dizziness, headache and other symptoms. Patients with hypothyroidism are prone to overweight or obesity. Symptoms may be relieved after taking levothyroxine sodium tablet treatment to maintain thyroid hormone levels at normal levels. In addition, patients with hypothyroidism should lose weight under the premise of ensuring adequate supply of nutrients to the body, through reasonable control of diet, appropriate exercise for weight loss, such as choosing jogging, fast walking, swimming and other aerobic exercise. Patients with hypothyroidism are advised to seek medical advice when they need to lose weight.