Double-layer top ventilation and heat insulation tent and use method thereof

The invention provides a double-layer top ventilation and heat insulation tent and a use method thereof. The double-layer top ventilation and heat insulation tent comprises a frame, a main tent body and an outer tent top; the frame comprises a main support and a roof support fixedly arranged at the top end of the main support; the main tent body covers the outer side of the main support, an innertent top covers the outer side of the roof support, the bottom end of the top of the inner tent top is fixedly connected with the top end of the main tent body, the top of the outer tent top is fixedly arranged above the inner tent top, and the outer tent top is spaced from the inner tent top; the main support and the roof support are formed by combining rod parts, and the rod parts are fixedly connected through connecting pipe parts; and fixing pull ropes used for fixedly connecting with the ground are fixedly arranged at the edge of the top of the outer tent top. According to the double-layer top ventilation and hea