The invention relates to a one-driven-two automatic folding machine of a fish-shaped gauze mask. A fish-shaped gauze mask forming structure, a one-driven-two distribution structure and ear strap applying structures are sequentially arranged on a stand main body in accordance with a flow production line, wherein a gauze mask fabric and a nose line are conveyed to the fish-shaped gauze mask formingstructure; the gauze mask fabric, which is folded into the fish-shaped gauze mask via the fish-shaped gauze mask forming structure, is conveyed to the one-driven-two distribution structure, and the fish-shaped gauze mask is distributed to the two ear strap applying structures, so that the fish-shaped gauze mask is applied with ear straps; therefore, production efficiency is improved. In addition,according to the one-driven-two automatic folding machine of the fish-shaped gauze mask, a control device is connected to the fish-shaped gauze mask forming structure, the one-driven-two distributionstructure and the ear strap applying structure, so that the automatic production of fish-shaped folding gauze masks is achieved; and problems in a present fish-shaped folding gauze mask production mode which is low in precision, high in labor cost, high in working strength and low in production efficiency can be effectively solved.