Whether blood pressure 155 mmHg is serious or not needs to be decided according to its clinical condition, and can be divided into low risk, intermediate risk group, and high risk, very high risk group to see, as follows: 1, low risk, intermediate risk group: blood pressure 155 mmHg belongs to grade 1 hypertension, for patients with no obvious risk factors, and only 1-2 risk factors, belong to low risk, intermediate risk group, and their 10-year risk of cardiovascular events The risk of cardiovascular events in 10 years is about 10%-20%, which is not serious if systematic standardized treatment is given to maintain blood pressure in a stable range and reduce cardiovascular and cerebrovascular events. 2. High-risk and very high-risk group: For patients with grade 1 hypertension, if there are more than or equal to three risk factors, combined with clinical diseases, such as diabetes and other coexisting diseases, it often suggests high-risk and very high-risk group, whose 10-year risk of The risk of cardiovascular and cerebrovascular events is in the range of 20%-30% or even more than 30%, which is undoubtedly a very serious situation. In patients with initial diagnosis of hypertension grade 1, if the risk factors are low, therapeutic lifestyle improvements can be given only. If the risk stratification is higher, therapeutic lifestyle improvement in addition to antihypertensive medication and target organ protection related medication or surgery needs to be given.