? Normal blood pressure: SBP less than 130, DBP less than 85.

? Upper limit of normal blood pressure: SBP 130- 139, DBP 85-89.

? Grade I (mild): SBP 140- 159, DBP 90-99.

? Subgroup I (critical hypertension): SBP 140- 149, DBP 90-94.

? Grade ii (moderate): SBP 160- 179, DBP 100- 109.

? Grade ⅲ (severe): SBP ≥ 180, DBP ≥ 1 10.

? Simple contractile HBP:SBP is greater than or equal to 140, DBP is less than 90; Subgroup: SBP 140- 149, DBP less than 90.

Hypertension mainly promotes blood circulation, dilates blood vessels and lowers blood pressure. Is the diet mainly vegetarian? Mannan butter pills can be used as medicine. This medicine is not bad. It is a traditional Chinese medicine with few side effects.