Blood pressure 158/102 refers to systolic blood pressure of 158mmHg and diastolic blood pressure of 102mmHg, which is dangerous and requires prompt treatment. The normal systolic blood pressure range for adults should be between 90-139mmHg and the normal diastolic blood pressure range should be between 60-89mmHg. Systolic blood pressure of 158mmHg and diastolic blood pressure of 102mmHg are over the standard of the normal range, which is classified as grade 2 hypertension, which is dangerous and needs to be controlled. When the systolic blood pressure is 158mmHg and the diastolic blood pressure is 102mmHg, you may need to take nifedipine controlled-release tablets, felodipine extended-release tablets and other medications to lower your blood pressure. The daily diet should be light, nutritious, balanced, low-salt and low-fat, and the individual’s mood and mentality should be controlled, so as not to be irritable and angry, and to pay attention to rest and proper exercise. The use of medication should be guided by a doctor. After testing the systolic blood pressure of 158mmHg and diastolic blood pressure of 102mmHg, you should go to the regular hospital in time and follow the doctor’s instructions for treatment.