The development of science and technology service in suburban towns of megacities is not only the internal demand of related industry innovation development, but also the inevitable choice of high-quality life of residents and high-quality development of regions. An analysis model of system class variable is constructed firstly. Then, value logic of the development of science and technology service in suburban town of megacities is parsed. Aiming at the problems such as fewer professional talents, lack of innovation in business form, lack of innovation in organization, etc, innovative path of science and technology service is put forward. This is to build a united, platform and ecological science and technology service organization, and promote the development of science and technology services and related industries based on ecological network, three-unit link, mode innovation, subject symbiosis four in one.