The present invention discloses an image scattering correction method, a device and an apparatus. The method comprises the steps of acquiring the initial projection drawing of a to-be-checked person, wherein the initial projection drawing is in the form of a two-dimensional projection drawing obtained through scanning the to-be-checked person by means of a medical facility; based on a mapping relationship model between the pre-established projection drawing and a scattering diagram, estimating the target scattering diagram of the initial projection drawing; and correcting the initial projection drawing through the target scattering diagram to obtain a target projection drawing. According to the embodiments of the invention, after the initial projection drawing of the to-be-checked person is acquired through scanning the to-be-checked person by the medical facility, the accurate target scattering diagram of the initial projection drawing is estimated based on the mapping relationship model capable of accurately representing the relationship between the pre-established projection drawing and the scattering diagram. After that, the initial projection drawing is corrected through the target scattering diagram. In this way, the accurate target projection drawing can be obtained, so that the initial projection drawing is effectively corrected.