This sheet package includes a sheet roll obtained by winding a sheet on a cylindrical core in the circumferential direction thereof; and a packaging bag that stores the sheet roll, wherein at least one end surface, in the roll width direction, of the sheet roll faces the top surface of the packaging bag, the cylindrical core has an opening in which the end edge of the sheet roll on one end surface side is opened, and a first slit is formed on the top surface so as to overlap the opening of the cylindrical core.