Cloth product folding system

It is an object of the present invention to reduce worker's workload required for width adjustment of a platen in a folding system for a fabric product. A folding system (100) for a fabric product according to the present invention includes an information obtaining device (332), a folding device (400) and a width controlling device (900). The information obtaining device obtains first information (DO) held by a fabric product (LD). The folding device includes a platen member (501), a width adjusting mechanism (530) and a folding mechanism (500). The platen member is a member for being put the fabric product thereon. The width adjusting mechanism adjusts the width directional length of the platen member. The folding mechanism folds the fabric product on the platen member. The width controlling device controls the width adjusting mechanism by using the first information obtained by the information obtaining device.