a method for manufacturing a disposable worn article of the present invention includes : a first step of applying an adhesive on at least one of a first web and a second web ; a second step of sandwiching an elastic member between the first and second webs and combining the first and second webs and the elastic member together , thereby producing a combined web ; and a third step of melting a portion of at least one of the first and second webs and a portion of the elastic member , thereby reducing a shrinking force of the elastic member in the melted portion .