To provide a door weather strip improvable in sealing properties.

The door weather strip is attached to the door peripheral edge of an automobile. An extrusion molding part 7 mainly constituting the upper side of the door weather strip is provided with a mounting base 15 fixed to an inner panel 5 by a clip member 13; a hollow-like main seal part 16 pressure-contacting with a door opening peripheral edge; a sub-seal lip 25 pressure-contacting with the door opening peripheral edge at an outdoor side more than main seal part; a back surface lip 26 pressure-contacting with a flange 27 formed at the door peripheral edge; a water-discharge lip 30 formed extendingly from the outdoor side side wall 19 of the mounting base 15 and pressure-contacting with the flange 27; and a water-stop rib 33 provided on the base bottom 17 of the mounting base 15 and pressure-contacting with the mounting surface 5b of the inner panel 5.