PROBLEM TO BE SOLVED: To provide an aspirator by which number of powder stored in a sheet member is reliably confirmed and number of components is decreased to be capable of reducing cost.SOLUTION: An aspirator includes a case C storing a sheet member S, and opens a powder storage part S4 by peeling belt-like members S1, S2 while a delivery mechanism K delivering the sheet member S pitch by pitch is activated, and the peeled sheet member S is wound to be stored. The sheet member S includes a display S6 in which a symbol S7 corresponding to an arrangement order of each powder storage part S4 is arranged at the same intervals as the powder storage parts S4. The case C includes a window hole C1 through which the display S6 can be seen.