To provide a breast apron one-touch bib easy to attach and detach when eating, and enabling especially an elderly person and a handicapped person to easily attach and detach by himself/herself when eating, washing face, and brushing teeth.

This breast apron one-touch bib is such that the fixation part of an apron neck part is made of a through-hole to pass an elastic interlining material through, and the elastic interlining material passed through the through-hole, and is opened at both the ends.