Provided is a compound preparation including at least one selected from the group consisting of ? polyunsaturated fatty acids and pharmaceutically acceptable salts and esters thereof and at least one selected from the group consisting of statin compounds and pharmaceutically acceptable salts thereof. The compound preparation is in a form of a soft capsule having a capsule coating with a pH of 7.0 to 9.5. The compound preparation suppresses the decomposition of the statin compounds and/or the modification/insolubilization of the capsule coating. A medical use for the compound preparation, a method of manufacturing the compound preparation and a method of using the compound preparation are also provided.