Thyroid isoechoic nodule means that the echogenicity of the nodule is similar to that of the surrounding thyroid parenchyma as observed during the ultrasound examination. The nature of the nodule cannot be accurately determined by the echogenicity of the nodule alone, and it is necessary to combine the size of the nodule with the characteristics of the blood flow to make a comprehensive assessment. If the nodule is benign and asymptomatic, follow-up observation is usually sufficient; if there are compression symptoms or malignant tendency, surgical treatment is needed. 1. Follow-up observation: If there is an isoechoic nodule in the thyroid gland, it may be a benign thyroid nodule. If there are no uncomfortable symptoms, it can be observed conservatively for the time being, and the thyroid ultrasound and thyroid function should be rechecked regularly. 2. Surgery: If the thyroid nodule shows pressure symptoms, such as difficulty in breathing and swallowing, or if the puncture biopsy confirms that the thyroid nodule is malignant, thyroid surgery is usually adopted for treatment. In the case of echogenic thyroid nodules, the patient should consult a doctor and follow the doctor’s instructions.