A method for manufacturing a bottle including forming the bottle (10) that is formed in a bottomed tubular shape and has a bottom wall section (19) provided with a contact part (18) positioned at an outer circumferential edge thereof and a deformable tube part that is of a multilevel topped tubular shape, is provided upright at the contact part (18), and blocks an inside of the contact part (18); the method having a primary blow molding process of performing biaxial stretch blow molding on a preform to obtain a primary intermediate molded article; a heat treatment process of heating the primary intermediate molded article to be forcibly shrunken and molded into a secondary intermediate molded article; and a secondary blow molding process of performing blow molding on the secondary intermediate molded article to obtain the bottle (10).