Inner support structure of corrugated carton

The utility model discloses an inner support structure of a corrugated carton, which comprises a carton body, four groups of inner support components are sleeved on the surface of the carton body, a bottom plate is sleeved at the bottom of each inner support component, a wide support rod is fixedly connected with one side of each inner support component, a long support rod is fixedly connected with one side of each inner support component, and a carton cover is sleeved on the top surface of the carton body. A heat preservation assembly is fixedly connected into the box cover. According to the inner supporting structure of the corrugated carton, through the arrangement of the inner supporting assembly, when installation needs to be conducted, the bottom plate is flatly placed on the surface of the gasket, the carton body is inserted and fixed through the gap between the outer supporting piece and the inner supporting piece, then the partition plate is inserted into the inserting groove in the inner supporting