Introduction Cardiovascular diseases are the major cause of death in Mexico. During the last years patients attending primary care offices in Mexico is increasing, nevertheless no data is available regarding high blood pressure (HBP) . In the best of our knowledge this is the major study presented in Latin America population related with HBP control at primary care office. Section snippets Objectives Evaluate the level of control of high blood pressure patients that attend primary care offices in Mexico. Methods A consecutive series of cases, between 2013 and 2014, patients were attended in Mexico in primary care office at the Social security system (IMSS). All participants are hypertensive patients, under treatment. BP level were determine as an average of 3 measurements. Descriptive statistic were use to describe the population. For statistical significance, proportion comparison was performed based on sampling distribution according to a normal distribution 95% confidence. HBP control is defined Results 203.760 patients (64% women) were analyzed. Average age 62.8 ± 15 Analysis according age groups and blood pressure levels is presented on Table 1. 72% of patients older than 65y did not achieve BP < 140/90 compared with 64% of patients between 18-49 y (p