Automobile ceiling reading lamp installing structure

The utility model relates to the field of automobile accessories, in particular to an automobile ceiling reading lamp installing structure which comprises a ceiling substrate, the ceiling substrate is provided with an installing hole of a reading lamp, the edge of the installing hole comprises one or more coordination holes, a reading lamp body is also provided, the side of the reading lamp body comprises one or more coordination columns, and the upper end of each coordination column is provided with a clamping corner structure; a hasp structure is included, the end of the hasp structure comprises a hasp bent corner, the hasp structure and the clamping corner structure can be matched, the coordination columns are inserted into the coordination holes, and the reading lamp body can be prevented from falling due to cooperation of the hasp structure and the clamping corner structure. By changing the structure, an original clip is changed into the hasp structure, and accordingly use of plated iron pieces is avoided. By means of structural optimization, a fixing mode using clips to take the place of metal gaskets is used, an automobile is light in weight, cost is reduced, and installation performed by workers is facilitated.