A surgery optimizing method performed by a computer is provided. The method includes generating a plurality of genes corresponding to a surgical procedure based on the surgical procedure composed of at least one detailed surgical operation, performing virtual surgery on each of the plurality of genes to evaluate whether surgery is optimized, selecting at least one gene among the plurality of genes based on the evaluation result to apply a genetic algorithm, and applying the genetic algorithm to generate a new gene and deriving an optimal surgical procedure based on the new gene.