To provide a two-material mixing container capable of easily filling and spouting a content with a simple constitution, and eliminating any residual content therefrom.

The two-material mixing container is equipped with a liquid storing container 1 for closing an upper surface opening of a peripheral wall 4 erected from a bottom wall 2 by a closing member 5, a dissimilar material storing material 20 which is fitted to an inner surface of a fitting cylinder 10 provided on the bottom wall 2 and closes a lower surface opening by a detachable closing member 21C, and valve means 15, 16 and 25 which communicate the dissimilar material storing cylinder with the liquid storing container during the mixing operation, and block the communication before and after the mixing operation.