Nifedipine tablets generally treat angina pectoris, hypertension and other diseases. 1. Angina: nifedipine is a calcium channel blocker, which is an important drug for treating patients with coronary angina in remission. It can improve the ischemic state and reduce the symptoms of patients. Nifedipine tablets can inhibit myocardial contraction, reduce myocardial oxygen consumption, thereby expanding the coronary arteries to relieve the symptoms of coronary artery spasm, which in turn improves the blood supply to the myocardium under the endocardium. 2. Hypertension: Nifedipine tablets are a kind of dihydropyridine calcium antagonist, which can inhibit calcium ions in vascular smooth muscle cells, leading to vasodilatation and blood pressure reduction. Therefore, it can be used to control the blood pressure of patients with hypertension. Administration of nifedipine tablets to patients may result in adverse reactions such as jaundice and elevated liver enzymes and hypotension. Nifedipine tablets are not usually indicated for pregnant women, lactating women and patients with heart failure. It is recommended to consult a doctor for relevant examination in time, and according to the specific situation, under the guidance of the doctor, carry out symptomatic treatment.