The invention discloses a steamed bun making machine and relates to the field of food processing machinery. The steamed bun making machine is characterized in that a front dough inlet conveying component, a front dough pressing roller component, a back dough inlet conveying component, a back dough pressing roller component, a control box, a dough curling roller component, a cutter box component and a back conveying belt component are included, the front dough pressing roller component is connected behind the front dough inlet conveying component, the back dough inlet conveying component is arranged on the front dough pressing roller component, the back conveying belt component is connected behind the front dough pressing roller component, and the back dough pressing roller component, the control box, the dough curling roller component and the cutter box component are arranged on the back conveying belt component. The steamed bun making machine can blend different types of dough or dough with different colors together, and two kinds of buns with different colors are made.