A scanning control method, comprising: controlling a scanner to preliminarily scan a to-be-scanned object according to a predetermined path when the to-be-scanned object rotates to different first predetermined positions to obtain a scanned model of the to-be-scanned object; determining a watertight model of the to-be-scanned object according to the scanned model; determining second predetermined positions of the scanner corresponding to the respective first predetermined positions of the to-be-scanned object according to the watertight model and the respective first predetermined positions, wherein each of the second predetermined positions is on a scanning plane; and controlling the scanner to scan, at part of the second predetermined positions, the to-be-scanned object at the corresponding first predetermined positions until a three-dimensional model is obtained; characterized in that determining the second predetermined positions according to the watertight model and the respective first predetermined positions comprises: determining positions of a geometric center of the watertight model corresponding to the respective first predetermined positions; determining one or more scanning spherical surfaces of the to-be-scanned object according to the positions of the geometric center and the respective first predetermined positions; and determining the second predetermined positions according to the one or more scanning spherical surfaces and the scanning plane of the scanner; or determining boundary lines of multiple longitudinal sections corresponding to the watertight model and parallel to a height direction of the to-be-scanned object according to the positions of the geometric center and the respective first predetermined positions; and determining the second predetermined positions according to the boundary lines. controlling a scanner to preliminarily scan a to-be-scanned object according to a predetermined path when the to-be-scanned object rotates to different first predetermined positions to obtain a scanned model of the to-be-scanned object; determining a watertight model of the to-be-scanned object according to the scanned model; determining second predetermined positions of the scanner corresponding to the respective first predetermined positions of the to-be-scanned object according to the watertight model and the respective first predetermined positions, wherein each of the second predetermined positions is on a scanning plane; and controlling the scanner to scan, at part of the second predetermined positions, the to-be-scanned object at the corresponding first predetermined positions until a three-dimensional model is obtained; characterized in that determining the second predetermined positions according to the watertight model and the respective first predetermined positions comprises: determining positions of a geometric center of the watertight model corresponding to the respective first predetermined positions; determining one or more scanning spherical surfaces of the to-be-scanned object according to the positions of the geometric center and the respective first predetermined positions; and determining the second predetermined positions according to the one or more scanning spherical surfaces and the scanning plane of the scanner; or determining boundary lines of multiple longitudinal sections corresponding to the watertight model and parallel to a height direction of the to-be-scanned object according to the positions of the geometric center and the respective first predetermined positions; and determining the second predetermined positions according to the boundary lines. determining positions of a geometric center of the watertight model corresponding to the respective first predetermined positions; determining one or more scanning spherical surfaces of the to-be-scanned object according to the positions of the geometric center and the respective first predetermined positions; and determining the second predetermined positions according to the one or more scanning spherical surfaces and the scanning plane of the scanner; or determining boundary lines of multiple longitudinal sections corresponding to the watertight model and parallel to a height direction of the to-be-scanned object according to the positions of the geometric center and the respective first predetermined positions; and determining the second predetermined positions according to the boundary lines.