Troponin t can reflect the degree of damage to cardiomyocytes, and its normal value is usually less than 0.01ng/ml. Most troponin t exists in cardiomyocytes, and when cardiomyocytes are damaged, troponin t can be released into the serum, so the level of troponin t in the serum can reflect the degree of damage to cardiomyocytes to a certain extent. If Troponin t is greater than 0.1ng/mL, it suggests that the patient may be suffering from acute myocardial infarction. It should be noted that the current normal value of Troponin t may vary from hospital to hospital due to differences in manufacturers and the segments tested. Therefore, it is recommended that once a patient realizes that his/her Troponin T is not within the normal range, he/she should not be overly anxious and should consult his/her attending physician for further examination and treatment.