Patients with thyroid cancer can take American ginseng. The presence of cancer cells in the body of thyroid cancer patients can inhibit the growth of cancer cells and slow down the spread of cancer cells to a certain extent. After thyroid cancer surgery, the resistance of the body is low due to the lack of thyroxine, so taking American ginseng can increase the resistance of the body. Due to the lack of thyroxine, if the patient wants to increase physical activity, the blood supply to the heart may be insufficient. Taking American ginseng can also strengthen the function of the heart and solve the heart problems caused by the lack of thyroxine to a certain extent, as for the dosage of American ginseng, patients with thyroid cancer need to be under the guidance of doctors.