PURPOSE: To provide a grain housing bag in which injuries of a fastener can be prevented and opening and closing of tone fastener is easy at a time of discharging grains out of the grain housing bag which is reversed upside down by designing the fastener of an opening part not to be applied with excessive force.

CONSTITUTION: A bag body 2 having an upper opening part 1 is made of cloth, synthetic resin or other materials. The upper opening part 1 is provided with a first opening and closing means 3 for closing the opening part 1 and an inner part of the bag body 2 is provided, inside the first opening and closing means 3, with a second opening and closing means 4 for closing the inner part. Further a lower part of the bag body 2 is provided with a suspender 5.