Haiyiban is a provincial government service mobile terminal that has been strictly designed and tested. Implement the concept of informatization construction of Hainan Provincial Party Committee and provincial government, and provide an efficient, convenient, safe and reliable one-stop online service window. The platform directly accesses 4 17 high-frequency livelihood services, and adopts strict real-name authentication mechanism to ensure the authenticity of user identity and data security. The platform also abides by relevant laws and regulations and adopts multiple encryption measures in data storage and transmission to protect users' privacy.