There is no so-called best way to reduce edema in hypothyroidism, and the swelling should be reduced through diet and medication according to the condition and under the guidance of the doctor. 1. Dietary regulation: Diet needs to limit the intake of certain foods, pay attention to the intake mode, such as white radish, cabbage and other cruciferous vegetables, can be eaten after cooking, to avoid dipping in sauce; cream, animal offal and other high-fat, high cholesterol food to try not to eat. 2. Medication: Hypothyroidism is mainly caused by the lack of thyroid hormone, patients should use levothyroxine replacement therapy, which needs to be gradually increased from a small dose under the advice of a doctor to make the level of thyroid hormone in the body reach the normal range. Patients with hypothyroidism are advised to follow their doctor’s instructions.