To provide a screen printing mask and a screen printing method, by which an electronic part with a connection error can be mounted on a printed circuit board with ease by achieving miniaturization.

The screen printing mask 1 is provided with a mask part 11 and a plurality of peripheral walls erecting from the mask part 11. The mask part 11 is provided with through-holes 13. Solder paste is supplied to an end part 16 on a side away from the mask part 11 of the inner face 14a of one peripheral wall 12a. The solder paste is brought closer to the mask part 11 by means of a squeegee, and then the squeegee is made to move along the surface 15 of the mask part 11. The solder paste is pressed into the through- holes 13 of the mask part 11.