The manufacturing method of the honeycomb structure has a forming step of forming a forming raw material into a plurality of quadrangular prismatic honeycomb formed bodies each having partition walls, a firing step of firing the plurality of honeycomb formed bodies to form a plurality of quadrangular prismatic honeycomb fired bodies, a sheet-like bonding material attaching step of attaching sheet-like bonding materials to at least part of side surfaces of at least part of the plurality of honeycomb fired bodies, a honeycomb block body preparing step of preparing a honeycomb block body in which the plurality of honeycomb fired bodies are stacked, by assembling the plurality of quadrangular prismatic honeycomb fired bodies while bonding the side surfaces thereof to one another by the bonding materials, and a grinding step of grinding a circumferential portion of the honeycomb block body to obtain the honeycomb structure.