From 10 to 12 September, the 3rd Industrial Technology Development Forum of Spatio-Temporal Big Data is held at Vanke (Qianhai) International Convention Center, Branch Institute of Chinese Academy of Engineering in Shenzhen. The Forum is jointly hosted by Henan University and Shenzhen University and jointly organized by Activity Base for Academicians of Chinese Academy of Engineering in Shenzhen, Henan Spatio-Temporal Big Data Industry Technology Research Institute, Smart City Research Institute of Shenzhen University and Shenzhen Institute of Henan University. The forum focused on the implementation of the national big data strategy put forward by President Xi Jinping, with the theme of “sptatio-temporal big data, a contributor economic and social development of the Guangdong-Hong Kong-Macao Greater Bay Area (GBA)” .