Amlodipine is mainly used in the treatment of hypertension and angina pectoris, and the drug is effective when used in male patients without contraindications. Amlodipine belongs to non-dihydropyridine calcium channel blockers, through blocking the L-type calcium channels on the vascular smooth muscle, resulting in inhibition of excitation-contraction coupling reaction, vasoconstriction is limited, thus dilating blood vessels and reducing blood pressure. The use of this drug in male patients with hypertension has a significant effect on lowering blood pressure. It also has a certain auxiliary therapeutic effect on male patients with stable angina pectoris. Take care to use the drug under the supervision of a physician. It is contraindicated in patients with severe aortic stenosis, severe hypotension, and hypersensitivity to dihydropyridines. Adverse reactions such as headache, palpitations, nausea, drowsiness, fatigue, flushing may occur. It is recommended to use under the supervision of a physician.