There are 334 drugs which show their incidences of more than 0.1 % in the SIDER 2 database. The number of the side effect which is extracted from the SIDER 2 database is 2326. The highest scores for these 334 drugs as biological feature are extracted from the STITCH 4.0 database. 76 drugs among 334 drugs have the disease genes in the KEGG database. The number of the gene which is extracted from the KEGG database is 335.