A system and method for capturing dimensions of an object from a graphic file of the object. The system includes a graphic file management center (3100), a graphic file processing center (3200), and a dimension management center (3300). The graphic file management center is used for obtaining the graphic file, and includes a graphic file receiving module (3110), a graphic file classifying module (3120) and a graphic file updating module (3130). The graphic file processing center includes a data collecting module (3210) for capturing dimensions from the obtained graphic file, and a data outputting module (3220) for outputting the captured dimensions. The dimension management center (3300) is used for storing and maintaining the captured dimensions, and comprises a dimension receiving module (3310), a dimension checking module (3320), and a dimension storing module (3330). A method for capturing dimensions of an object from a graphic file thereof is also disclosed.