PURPOSE: A tent provided with a double roof is provided to keep the inside temperature of a tent regularly without a big influence of outside weather by forming a roof dually and forming a vent at the center, and to utilize for various purposes by controlling the size of a roof and the height of a wall variously. CONSTITUTION: A tent(1) provided with a double roof comprises: a center pole inserted and fixed under the ground; a circular frame provided to the upper and lower parts of the center pole to be adjustable in size; a roof body(300) having one side connected to the upper side of the center pole and the other side supported to an upper circular frame to form a double roof and provided with a vent at the center and formed to be adjustable in size according to the diameter adjustment of the circular frame; and external wall member(400) having one side connected to the roof body and the other side connected to a lower circular frame to be fixed to the lower part of the center pole; and a vent cover member(500) provided to the top of the center pole and covering the vent selectively.