Abstract:The lack of audience review and interaction brought the negative effect on the science and technology management departments’ information open in Guangdong. This paper investigated the public’s use and demand on the information opened by the science and technology management departments in Guangdong which taking the public aged over 16 years in Guangdong as the sample ,and found that a certain deviation really existed between their use and demand. The paper put forward three suggestions. First, the science and technology management departments in Guangdong should improve the information open service systems of official websites with the audiences’ needs as the core. Second, the science and technology management departments should establish new media information open and interaction platforms with WeChat subscription construction as the center. Finally, they should conduct regular assessment and evaluation on the government information open with the audiences’ review as the core.