The generic name of Xinlitan is Alisatan ester, the use of Alisatan ester blood pressure does not come down, need to improve the relevant examination to exclude secondary hypertension, if necessary, combined with metoprolol, nifedipine, hydrochlorothiazide and other drugs treatment. Alisatan ester is mainly used for the treatment of mild and moderate essential hypertension. Blood pressure does not come down after use, may be secondary hypertension, need to improve the renal artery ultrasound, dexamethasone inhibition test and other related examinations, to exclude the possibility of secondary hypertension. Failure to lower blood pressure after taking medication may be due to poor lifestyle habits, so it is necessary to quit smoking and limiting alcohol, controlling body weight, reducing sodium and fat intake. It may also be that the medication alone cannot achieve the effect of lowering blood pressure, and can be combined with nifedipine, metoprolol, hydrochlorothiazide and other antihypertensive drugs for treatment. Alisatanate may cause fever, fatigue, dizziness, painful urination and other uncomfortable symptoms after taking it. It is also prohibited for women in the middle and end stages of pregnancy and lactation. Avoid overdose during the period of consumption, which may cause low blood pressure and other uncomfortable symptoms. The use of the drug should follow the doctor’s instructions, do not take without authorization, in order to avoid serious consequences.