To provide a method for manufacturing a honeycomb structure capable of improving the productivity and the raw material yield.

A method for manufacturing a honeycomb structure 130 includes: subjecting a forming raw material to extrusion forming to obtain a segment connection type honeycomb formed article 100 provided with a plurality of honeycomb segments 1 and an outer peripheral portion 2 surrounding the whole outermost periphery of the plurality of honeycomb segments, wherein a slit gap 3 extending from one end face 11 to the other end face 12 is formed between adjacent honeycomb segments, the adjacent honeycomb segments are joined by a strip of joining rib 4 extending from the face 11 to the face 12 and having a thickness of 0.1 to 1.5 mm, and the honeycomb segments 1 have partition walls defining and forming a plurality of cells; firing the honeycomb formed article 100 to form a honeycomb fired article 110; destroying the joining rib 4 in the honeycomb fired article 110; and forming a buffer portion 7 by filling a bonding material in the gap 3.