The 5^th International Conference on Testing Technology and Automation Engineering (TTAE 2025) will be held in Changsha from November 14-16, 2025. TTAE 2025 is to bring together innovative academics and industrial experts in the field of Testing Technology and Automation Engineering to a common forum. The primary goal of the conference is to promote research and developmental activities in Testing Technology and Automation Engineering and another goal is to promote scientific information interchange between researchers, developers, engineers, students, and practitioners working all around the world. The conference will be held every year to make it an ideal platform for people to share views and experiences in Testing Technology and Automation Engineering and related areas.