The present invention discloses a mobile APP software platform based residential maintenance comprehensive disposal system. The system comprises a mobile client, a maintenance personnel mobile terminal, a background processing platform, and a server to which the mobile client, the maintenance personnel mobile terminal, and the background processing platform are connected. The mobile client is provided with an APP client port program, and the program comprises a repair service issuing unit, a repair processing unit, and a client information storage unit; the maintenance personnel mobile terminal is provided with an APP maintenance port program, the program comprises a maintenance task order dispatching unit, a maintenance recording unit, a maintenance order acquisition unit, and a maintenance assistant unit; and the background processing platform comprises a repair form database, a repair task assignment unit, a repair progress monitoring unit, an information query and statistic unit, an employee management module, and a user information feedback module. The system disclosed by the present invention can accurately send the repair information at the first time from the residents to the maintenance personnel in a maintenance unit, so that the repair service can be disposed at the first time. In addition, the present invention also discloses an operation method according to the system.