Input device with multi-stage lamp-number display

The invention relates to an input device with multi-stage lamp-number display, comprising a shell and an electronic light-emitting module. The electronic light-emitting module comprises a print circuit board, a first electronic light-emitting element, a second electronic light-emitting element, light pipe elements and a light shading seat. The shell comprises a plurality of shell pores, and a shell flange rib is provided between each two pores. The light pipe element comprises a light pipe terrace, a plurality of upper light pipes and a plurality of lower light pipes. The quantity of the upper light pipes is the same with that of the lower light pipes. The light shading seat is arranged between the light pipe element and the print circuit board, and has a plurality of light shading seat pores and a light shading seat flange rib. A plurality of the lower light pipes are stretched into the plurality of the light shading seat pores, and the light shading seat flange rib is stretched into a circuit board open por