According to the present invention, a target gene screening method using survival analysis comprises the steps of: receiving multi-omics data about whole-genome; selecting a plurality of genes amplified above a reference value based on gene expression data included in the multi-omics data and determining a degree of association with a specific disease for each of the selected genes; and mathematically processing the degree of association and a correlation between the expression of the selected gene and the number of gene copies of the selected gene for each of the selected genes to determine a target score. A maximum significance boundary value for each gene is determined based on survival data included in the multi-omics data, and a target gene is selected from the genes filtered based on the maximum significance boundary value.
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