A sample stage for microscopy includes a sample holder including a body in which a sample-mounting part and a seating part are provided on a bottom of the body and a grip part for a mounting unit is provided on a top of the body, a sample rack, on which the sample holder is mounted, including a supporter supporting the seating part of the sample holder, and an elastic element provided on the sample rack, providing the sample holder with a pressing force inclined with respect to a vertical direction and fastening the sample holder to the sample rack while the seating part is being supported by the supporter. The sample stage may be vertically mounted.