Whether it is diffuse goiter with hyperthyroidism (Graves’ disease), thyroiditis or other causes of hyperthyroidism, there may be excessive thyroid hormones in the blood, resulting in symptoms of hyperthyroidism, such as fear of heat and sweating, panic attacks, fatigue, excessive eating, weight loss, increased stool frequency, agitation, anxiety, irritability, nervousness, insomnia, etc. This is broadly defined as hyperthyroidism. This is due to an increase in thyroid hormones in the blood, resulting in increased excitability and hyper-metabolism of the nervous, circulatory and digestive systems. In this state, in addition to timely medical treatment, we must make moderate adjustments in our lives to relieve the symptoms and reduce the damage to the organism in order to facilitate recovery. Iodine is an essential raw material for the synthesis of thyroxine. Reducing the intake of iodine in the diet means reducing the synthesis of thyroxine, which directly relieves the symptoms, and for Graves’ disease, which accounts for 85% of hyperthyroidism, iodine is an important factor leading to the recurrence of the disease. This is why it is important to strictly avoid iodine. How to avoid iodine strictly? First, use non-iodized salt for consumption. Non-iodized salt can be purchased at certain pharmacies or stores, which suggests not eating out, as all salt used in the catering industry is iodized salt, and avoid eating pickled foods. Secondly, avoid eating iodine-containing vegetables and meat, mainly seafood, such as kelp, nori, seaweed, seaweed, jellyfish, sea fish, sea shrimp, sea crab, sea shells, etc. Again, avoid using iodine-containing drugs and cosmetics, such as amiodarone, contrast agents, iodophor, iodine, multivitamin elements, etc. Second, other dietary attention avoid excitatory and stimulating foods such as coffee and tea, which can aggravate the patient’s neurological, mental and cardiovascular system symptoms, because the patient is already in an excited state at this time. Appropriate supplementation of staple foods, vitamins and calcium, because the organism is in a high metabolic state during hyperthyroidism and consumes a lot of nutrition, vitamins must be supplemented accordingly to avoid affecting the function of important organs, which requires appropriate increase of staple foods, sparse vegetables and fruits according to the severity of the disease. In severe cases, the amount can be increased to more than double the usual amount. This period is mostly accompanied by osteoporosis, so calcium and vitamin D supplements can help improve bone metabolism. As the resting state of patients with hyperthyroidism is equivalent to a certain degree of physical labor, if they engage in physical activities, it is equivalent to heavy work and more physical exertion, especially for those with heart disease, otherwise there is a risk of heart failure. Some patients think that they should do physical exercise when they are sick, but they do not know that this will aggravate the disease and is not conducive to recovery. This is the time to rest and not to engage in physical activity. Prolonged mental work will consume physical strength and lead to fatigue, increasing the burden on the heart, mind and nerves, and should be avoided as much as possible. In severe cases, rest or bed rest is required. In addition, some patients with protruding eyes are prone to visual fatigue, eye swelling and pain, so they should avoid reading books, newspapers and TV programs for a long time. 4. The period of hyperthyroidism is mostly accompanied by anxiety, tension, irritability, agitation and other emotional changes.