Core Viewpoint - The article provides a detailed guide for employees and flexible workers in Xiamen on how to check their social security payment status through various online and offline channels, emphasizing the use of the Electronic Tax Bureau App for convenience [2][4]. Group 1: Online Query Process - Users can log into the Electronic Tax Bureau App, set the location to "Xiamen," and navigate to the social security business section to check their payment status [2][8]. - The app allows users to access their social security report, where they can find personal payment information and check if payments have been made for the current month [4][12]. - Users need to select the payment period and status to view their declaration records, confirming payment if specific dates are displayed [7][13]. Group 2: Information for Flexible Workers - Flexible workers can also use the Electronic Tax Bureau App to check their social security payment status by following similar steps as regular employees [8][11]. - The app provides a comprehensive report that includes details on various insurance types and payment statuses, ensuring that flexible workers can manage their social security effectively [12][13].