High pressure 140 low pressure 110 is not dangerous. The normal standard of blood pressure for normal people is high pressure less than or equal to 120mmHg, low pressure less than or equal to 80mmHg, high pressure greater than or equal to 140mmHg, and or low pressure greater than or equal to 90mmHg is defined as high blood pressure, low pressure greater than or equal to 110mmHg for the third level of hypertension, it is recommended to improve the life style and the application of medication to control the blood pressure. 140/110 of the blood pressure belongs to the diastolic blood pressure is increased. 140/110 blood pressure is a kind of diastolic blood pressure increase, commonly seen in young people, blood pressure manifested as diastolic blood pressure increase, which is related to the usual work and life stress, poor sleep, often accompanied by increased heart rate. It is recommended to use beta-blocker, metoprolol, bisoprolol and so on. At the same time can be combined with calcium antagonists, such as amlodipine, nifedipine, etc.; as well as Prilosec or sartan drugs. If blood pressure control is still unsatisfactory, diuretics such as hydrochlorothiazide and indapamide can be added.