To provide a steam cooker capable of selectively heating and cooking the specific direction of a cooked material.

This steam cooker includes a barrel body provided with a cooking chamber inside thereof, a steam generator generating the steam, a number of steam guide pipes mounted on many spots of the cooking chamber at their tip ends to dispersively supply the steam to the cooking chamber in guiding the steam generated in the steam generator and supplying the steam to the cooking chamber, and a number of steam valves respectively mounted on a number of steam guide pipes to selectively open and close a number of steam guide pipes. By selectively opening and closing a number of steam guide pipes by the steam valves, the specific direction of the cooked material can be selectively heated and cooked.