Hyperthyroidism is generally more serious if the indicators are greater than 1000. Patients with hyperthyroidism often have markedly elevated T3, T4, FT3, FT4, the normal reference values of these values are usually in the single digits or 10 digits, if one of the test indexes is greater than 1,000, it is still more serious, and we need to be vigilant about the occurrence of hyperthyroidism heart disease and other serious complications. In addition to a significant increase in the above values, patients may also experience a decrease in TSH. The patient may have a fast metabolism, increased gastrointestinal activity, more frequent bowel movements, more frequent eating, but with significant weight loss, easy sweating, and in more severe cases, palpitations and even anxiety. If one of the indicators is greater than 1,000, you should go to the appropriate department of the hospital in a timely manner, under the guidance of the doctor to improve other types of tests, a clear diagnosis, standardized treatment.