Hashimoto’s thyroiditis can be clinically combined with hyperthyroidism and hypothyroidism. If there is a combination of hyperthyroidism, the patient’s diet is contraindicated as follows: 1. Eat less and more meals: Because the patient’s metabolism has increased significantly, it is necessary to use less and more meals to replenish the body’s energy requirements; 2. Avoid foods with high iodine content: If you eat stimulating or strong tea, coffee, kelp and other iodine-rich foods, it is not conducive to recovery and may aggravate the disease and cause hypothyroidism; 3. Eat appropriate high-fiber foods : If you eat too much, it may accelerate gastrointestinal motility and lead to diarrhea.