Impression system in micro structure

The utility model relates to an impression system in a micro structure, which comprises at least one mold group, wherein the mold group comprises an upper mold element, a lower mold element and at least one vacuum pipeline, the upper mold element further comprises an upper mold case, in addition, a mold groove is arranged on one end surface, an upper mold core is arranged in the mold groove, an impression space is formed by surrounding the upper mold core, the upper mold core is provided with the micro structure for impression on the inner ring wall surface corresponding to the impression space, an upper mold buffer element is arranged between the bottom of the upper mold core and the upper mold case, and an upper fixed part is arranged on an operation surface of the upper mold element. The mold group is in a design separated from a pressurizing and heating machine tool and a machine tool for cooling mold opening, the time consumption procedures that impression plates can be taken out only after being cooled