t3t4tsh normal thyroid peroxidase high may be caused by Hashimoto’s thyroiditis, it is recommended to the endocrinology department for further examination and diagnosis to take appropriate and reasonable treatment, do not blindly self medication. The t3t4tsh is often positive, suggesting that there is no hyperthyroidism or hypothyroidism for the time being, but high thyroid peroxidase still suggests that there may be autoimmune thyroid diseases such as Hashimoto’s thyroiditis, and it is recommended that further ultrasound examinations be conducted for comprehensive assessment, and that if there is no discomfort, the patient may be observed for the time being, and his thyroid function may be rechecked on a regular basis. If the t3t4tsh level is abnormal during the follow-up process, it is necessary to consult the endocrinology department in time, and under the guidance of the physician, rational diet, the use of appropriate medication or surgical treatment. If there is any discomfort, consult the doctor promptly.