This invention, the active ingredient and the granule which contains the water insoluble macromolecule including with the controlled release characteristic pellet which coat is done and the fast releasing characteristic granule which contains the active ingredient with the controlled release characteristic base, offers the multiple unit type controlled release characteristic oral formulation, and its production method of becoming.本発明は、活性成分および水不溶性高分子を含有する顆粒が徐放性基剤でコートされた徐放性ペレットと、活性成分を含有する速放性顆粒とを含んでなるマルチプルユニット型徐放性経口製剤、およびその製造方法を提供する。