Drinking light salt water can cause blood pressure to rise. Patients with hypertension are advised to have a low salt diet, with a daily salt intake of less than 6g. Salt includes not only table salt, but also salt contained in soy sauce, sweet pasta sauce and other seasonings. Patients with hypertension need regular oral antihypertensive drug therapy, the usual monitoring of blood pressure, according to the high and low blood pressure to adjust the amount of antihypertensive drugs, to control blood pressure below 140/90mmHg, but not less than 90/60mmHg, clinically used antihypertensive drugs are nifedipine extended-release tablets, Benadryl, valsartan, torasemide, hydrochlorothiazide, spironolactone and other drugs.