A mild increase in blood pressure in the morning does not necessarily require medication and can be observed. If the blood pressure is ≥ 160 mmHg, drug intervention must be actively carried out. A significant increase in blood pressure can cause a series of cardiovascular and cerebrovascular events, such as a significant increase in blood pressure is recommended to go to the hospital for proper diagnosis and treatment. The specific causes of elevated blood pressure in the morning are as follows: 1, sympathetic hyperactivity, causing increased heart rate and blood pressure; 2, increased patient activity; 3, some patients have poor rest at night; 4, some hypertensive patients with elevated blood pressure, need to clarify whether the drug selection, time or method of taking medication is not correct.