To provide an open type polymide molded item which is thin and preferably of a deep draw-shape or a large scale and to provide its manufactur ing method.

An open-type polyimide molded item has a thickness of ≤0.5 mm, a ratio of depth of the molded item to a frontage width of ≥0.7 or has a length of the longest axis of ≥150 mm and a deep draw depth of ≥0.5 mm and is made of an aromatic polyimide resin.