Based on the DEA(data envelopment analysis)-Malmquist model, 31 leading enterprises in Guangdong's artificial intelligence(AI) industry are selected to conduct empirical analysis of technological innovation efficiency. For the efficiency of technological innovation of enterprises, Malmquist technology productivity index is used to express. Malmquist technical productivity index is the product of technical efficiency and technological progress, and the technical efficiency is the product of scale efficiency and pure technical efficiency. Then, based on the empirical analysis results of static and dynamic models, some suggestions on the future development of Guangdong ai industry are put forward.