Global e-government and smart city competition is fierce, China is committed to building an intensive government APP and providing high-quality government services. From the perspective of government APP brand construction, this paper aims to explore the integration of government APP brand visual design schemes under the guidance of brand architecture strategy. Reasoning and argumentation are carried out by questionnaire research, single interview, individual case analysis and other methods. Based on the brand architecture strategy, the brand strategy, sub-brand strategy and brand aggregation strategy of endorsement are used to sort out the hierarchical relationship between government brands, city brands, smart cities and government APP brands, corresponding design strategies are put forward, and auxiliary government APP construction rules are added to comprehensively intervene in their brand plans. From the perspective of brand architecture strategy, the integration of government APP design strategy will be an innovative design scheme, which combines the overall design planning of government brands and urban brands, and provides new ideas for the development of high-level and intensive large-scale government APP brands in China.