To improve appearance while combining securing of light distribution performance of a lamp and securing of bumper performance regarding a mounting structure of a lamp bezel to a bumper of an automobile.

The mounting structure comprises: a first mounting seat 51 formed on an upper edge part of an opening 27 formed on the bumper 16, bent to the center side of the opening, and having a first mounting surface 51a directed to the bumper surface side; a second mounting seat formed in the bumper 16 of a lower edge part of an opening 17 and having a second mounting surface 52 directed to the bumper rear surface side; a first mounting part 61 formed on the rear surface of an upper side part of the lamp bezel 41; and a second mounting part 62 partially projected so as to be directed outward at a lower side part of the lamp bezel 41. The first mounting part 61 is joined to the first mounting seat 51 and the second mounting part 62 is joined to the second mounting seat 52 to mount the lamp bezel 17 to the bumper 16.