A system for predicting biological age on the basis of various omics data analyses, according to one embodiment of the present invention, comprises: a test sample collection unit for collecting a plurality of genetic test samples including DNA and/or RNA of a subject; a test sample analysis unit for analyzing a plurality of types of omics data from each of the plurality of genetic test samples; a preprocessing execution unit for preprocessing the omics data analyzed through the test sample analysis unit; an association analysis unit for performing an association analysis on the basis of the omics type of data for each omics area converted through the preprocessing execution unit; and an age prediction unit for predicting the age of the subject on the basis of the analyzed result of the association analysis unit and the data for each omics area.