The paper collects the data of attention to online information about hypertension in Wuhan city in the period from 2014 to 2018 by Baidu index platform and analyzes the trend of attention, the usage characteristics of terminals, population structure, sex ratio, information demands, etc. It suggests disease control and prevention institutions to carry out precise health education and pay more attention to mobile terminal users. It also suggests the institutions to provide precise health information services while taking time, groups of people and the mode of information organization into consideration in order to prevent and control the incidence rate of hypertension, thus improving people's health.