SEWING SYSTEM AND MANAGEMENT DEVICE

A sewing system includes a plurality of sewing machines and a management device which manages the plurality of sewing machines. Each of the plurality of sewing machines including a memory which stores parameter data obtained by digitizing an adjustment amount of an adjustment function of a seam, and an adjustment unit which adjusts the adjustment function of the seam by the adjustment amount corresponding to the parameter data in the memory. The management device including a management unit which separately manages the parameter data of the plurality of sewing machines, and a delivery unit which simultaneously delivers the parameter data to each of the plurality of sewing machines.