Having a thyroid cyst cannot be eliminated by eating food. Thyroid cysts are fluid-containing sacs in the thyroid gland. Since most thyroid cysts are benign lesions, they do not require special treatment, and only require regular rechecks of thyroid ultrasound and checkups of thyroid function, and they are usually absorbed on their own in a few months’ time, especially those caused by intracystic hemorrhage. A small number of obviously enlarged thyroid cysts, if there are symptoms of pressure caused by breathing difficulties or unattractive, there is a need for treatment, the treatment of thyroid cysts can be surgical resection, puncture and extraction of fluids or radiofrequency ablation and other methods. Therefore, thyroid cysts can not be eliminated by food, and it is recommended to go to a regular hospital. Normally, dietary advice is low iodine diet, avoid eating seafood, seaweed, nori and other foods with high iodine content.