Clinically, endocrine hypertension is commonly seen in four diseases. Endocrine hypertension belongs to the category of secondary hypertension, and the tests that need to be done are as follows: 1. For hypertension caused by abnormalities of thyroid function, the tests to be done are to do the thyroid function, and if necessary, the thyroid antibody test. For imaging tests, an ultrasound examination of the thyroid gland and a nuclear scan are done, and if necessary, a nuclear scan is performed to identify cold nodules and hot nodules. In addition, CT examination of the thyroid gland can also be done, which is clinically valuable; 2, the most common form of cortisolism is Cushing’s syndrome, and this clinical symptom is to do a rhythmic examination of urinary 17-OH and free cortisol, and 90% of the patients with 24-hour free cortisol is widely used in the screening of Cushing’s syndrome. Do blood and saliva cortisol rhythm check, circadian rhythm changes, blood collection when measuring cortisol concentration is a simple and convenient way to confirm the diagnosis of Cushing’s syndrome.ACTH measurement, adrenocortical tumors, whether benign or malignant, the blood level of ACTH is always lower than the normal value. Due to the large amount of cortisol secreted by adrenal tumors, the pituitary ACTH secretion is severely inhibited, so the ACTH concentration is reduced during the measurement. Therefore, it is also helpful for the diagnosis of Cushing’s syndrome, especially the measurement of ectopic ACTH is more meaningful; 3. Hypertension in pheochromocytoma, and the patients usually have paroxysmal elevation of blood pressure, the examination can measure the content of catecholamines in blood and urine, and also the content of metabolite 3-methoxy 4-hydroxy picric acid. If both are elevated, this may suggest the possibility of pheochromocytoma. And then through imaging, such as CT, nuclear magnetic can do localization diagnosis; 4, primary aldosteronism, the laboratory can check the blood potassium, sodium, plasma renin levels, especially to check the renin and aldosterone ratio. If the aldosterone level is elevated, the renin level is reduced, and the ratio of the two is elevated, the diagnosis of primary aldosteronism can be confirmed. Ultrasound, radionuclide, and nuclear magnetic examination can also be used to find the nature and location of the lesion.