To obtain an automobile ceiling material provisional placement structure and an automobile ceiling material installation method in which it is not necessary to set dedicated receiving portions for provisionally placing a ceiling material and with which the degree of freedom of setting positions of receiving portions can be improved. In an automobile ceiling material provisional placement structure, receiving portions for provisionally placing a roof headlining are disposed on existing resin covers covering curtain airbags, so it is not necessary to dispose dedicated receiving portions. Therefore, an increase in cost can be suppressed. Moreover, resin covers are formed in long shapes along roof side rails, so the degree of freedom of the setting positions of the receiving portions disposed on the resin covers can be improved. Therefore, workability when installing the roof headlining in a vehicle body can be improved.