To eliminate the need for bobbin aligning task conventionally performed before returning yarn-unwound bobbins to a fine spinning machine for making bobbin tube large/small-end orientations of yarn-unwound bobbins uniform.

A collection container for yarn-unwound bobbins B, into which the yarn-unwound bobbins B are introduced in uniform bobbin tube large/small-end orientation, comprises a container body 51 having a containment part 57 for containing the introduced yarn-unwound bobbins B; an opening part 67 formed above the containment part 57; and a regulation part 71 installed between the opening part 67 and the containment part 57 and guiding the yarn-unwound bobbins B to the containment part 57 while maintaining the bobbin tube large/small-end orientation of the yarn-unwound bobbins B introduced into the opening part 67.