Low blood pressure in the morning and high blood pressure in the afternoon may be a normal phenomenon, if hypertensive patients with low blood pressure in the morning and high blood pressure in the afternoon are considered to be taking short-acting antihypertensive drugs. 1. Normal phenomenon: the general body in the morning after waking up blood pressure will be low, but with the passage of time patients may appear in the afternoon blood pressure rise, which is a normal physiological phenomenon. 2. Taking short-acting antihypertensive drugs: If hypertensive patients have low blood pressure in the morning and high blood pressure in the afternoon, they may take short-acting antihypertensive drugs in the morning to keep their blood pressure within the normal range. In the afternoon, the effect of blood pressure-lowering drugs disappears, and the blood pressure may rise at this time. It is recommended that the body appears in the morning low blood pressure in the afternoon high blood pressure need to consult a doctor in time, if it is a normal physiological phenomenon, do not need treatment. If the symptom occurs in hypertensive patients, it is necessary to adjust the medication under the guidance of the doctor, need to follow the doctor’s instructions with long-acting antihypertensive drugs. In addition, patients usually need to rest more, dietary needs to control sodium intake.