The generic name of Bayxin Tong is nifedipine controlled release tablets, the drug and which kind of drug with good, have to be determined according to the actual disease, for example, primary hypertension, this drug and valsartan can be paired. The specific use of drugs, need to follow the doctor’s instructions. Nifedipine controlled-release tablets are calcium channel blockers, mainly for hypertension, chronic stable angina (exertional angina), coronary heart disease and other diseases. This drug can be paired with valsartan, valsartan is suitable for all kinds of mild to moderate hypertension, especially ACE inhibitor intolerant type, the two drugs with a very good efficacy for primary hypertension. Adverse effects of nifedipine controlled-release tablets include edema, headache, and constipation. The drug is contraindicated in patients within 20 weeks of pregnancy, lactation, the presence of KOCK vesicles, allergy to the components of this drug, cardiogenic shock, etc., and should not be combined with rifampicin. Adverse reactions to valsartan include headache, dizziness, cough, diarrhea, nausea, abdominal pain, fatigue, neutropenia, elevated liver function indicators. This drug is contraindicated in pregnancy, lactation, allergy to this drug, severe renal failure with creatinine clearance <10ml/min. The use of nifedipine controlled-release tablets and valsartan must be guided by a professional doctor, not self-medication.