Bad liver generally does not cause high blood pressure, which is mainly caused by genetic, environmental, drug and other factors as well as secondary hypertension caused by renal parenchymal and vascular diseases, endocrine diseases and so on. 1. Genetic factors: if both parents suffer from hypertension, the incidence rate of children is very high. 2. Environmental factors: smoking, drinking, excessive salt intake, mental stress, etc. can also cause hypertension, so in ordinary life, you need a low-salt, low-fat diet, quit smoking and drinking, and keep a good mood. 3. Drugs, obesity: some drugs such as ephedrine can cause elevated blood pressure, and obesity is also closely related to hypertension. 4. Secondary hypertension: secondary increase caused by glomerulonephritis, nephrotic syndrome, renal artery stenosis, pheochromocytoma, primary aldosteronism and other diseases. If hypertension occurs, you need to go to the hospital in time for relevant examinations, to clarify the cause of the disease, to be treated accordingly, such as dietary control, exercise therapy, and if necessary, under the guidance of a professional physician to use drugs to lower blood pressure.