According to this glass container manufacturing method a means for efficiently conducting a fire blasting treatment when removing a processing degraded region is provided. In the glass container manufacturing method in which a glass container is manufactured by performing by using a flame from a burner 30 a fire blasting treatment on the inner surface of a preformed body 10 of the glass container the fire blasting treatment is performed such that when sweeping the flame on the inner surface of the preformed body toward the opening of the preformed body the temperature of the outer surface portion of the preformed body opposing the processed degradation region is 650°C 800°C.
