Disclosed in the present invention is a method for screening cancer, comprising the following steps: (1) providing a specimen to be detected; (2) detecting the methylation status of CpG sequence of at least one target gene which is at least one of ADRA1D, AJAP1, HS3ST2, MAGI2, POU4F2, POU4F3, PTGDR, SOX17 and SYT9 in genomic DNA of the specimen; (3) determining whether cancer or precancerous lesions are present in the specimen according to the methylation status of at least one target gene.