The invention provides a foot shape data collector and a foot shape measuring method. The reliability of foot contour shape information can be improved. The foot shape data collector comprises a foot rest position, a visor and a bottom camera. The visor is arranged below the foot rest position and densely provided with tiny light through holes. The bottom camera is located below the visor and used for collecting image information of the visor when a user treads on the foot rest position and acquiring foot sole contour shape information of the user according to the light and shade distribution of the holes in the visor. The foot shape data collector further comprises a reflector obliquely arranged below the visor and at least one side face camera located at the side portion of the foot rest position. The side face camera is used for collecting foot side image information of the user and extracting foot side contour shape information of the user according to the foot side image information. The foot shape data collector and the foot shape measuring method are suitable for the technical field of human body information collection.