No matter which kind of domestic amlodipine, its efficacy is verified by clinical trials and meets the national standard, the effect is similar, and there is no obvious difference. Amlodipine belongs to the calcium channel antagonist, has the effect of diastolic peripheral blood vessels and coronary arteries, clinically mainly used for hypertension and part of the treatment of angina pectoris. Regardless of which domestic manufacturer produces amlodipine, its efficacy and related adverse reactions are similar, and there is no obvious difference between good and bad. Adverse reactions that often occur with this product include flushing, panic, edema, dizziness, etc. It is contraindicated for those who are allergic to any of the components in this product. It is recommended to choose the appropriate drug according to the condition under the guidance of a physician, and should not be used blindly.