An image formation control system and image formation control method, the method comprising: a first module of a client application installed on the client determines a file to be printed (S501); after converting a to be printed file to bitmap data, transmitting the same to a second module (S505); after the second module converts the bitmap data to data to be printed and recognizable by the target imaging device, directly transmitting to the target imaging device or via a server in communication with the client application and the target imaging device. The method can effectively prevent a memory outflow or memory insufficiency of a mobile terminal resulting from processing the picture to be printed.