Thyroid cystic nodule hypoechoic is the result of ultrasonography, patients can take medication, surgical treatment, general measures of conditioning and other treatment. 1. Drug treatment: patients with hyperechoic thyroid cystic nodules can take imidazole drugs such as methimazole tablets orally as prescribed by the doctor. If patients undergo surgery, hypothyroidism may occur, and at this time, they also need to take levothyroxine sodium tablets to maintain normal thyroid hormone levels. 2. Surgery: patients with hypoechoic thyroid cystic nodules can also undergo surgery if necessary, mainly total thyroidectomy, thyroid lobotomy, microwave ablation and other surgical methods. 3. General measures: patients should closely observe the condition in daily life and take medication on time as prescribed by the doctor. Patients should also pay attention to diet, for thyroid nodule patients with normal thyroid function, they can consume iodine-containing foods, such as kelp, seaweed, etc. Patients should avoid staying up late and drinking alcohol and other bad habits. Patients with hypoechoic thyroid cystic nodules should seek medical attention in a timely manner and follow the doctor’s instructions.