A synthetic resin humidity control container has a storing chamber that contains contents and a pinch-off portion on the bottom of the container, the wall of the container including an innermost layer that defines a storing chamber, an outermost layer that is disposed outside the innermost layer and moisture absorption layers that are disposed between the innermost layer and the outermost layer and contain a hygroscopic inorganic filler, the innermost layer being made of a material having an MFR of less than 2.0.