Aiming at the shortcomings of differential evolution algorithm (DE), which has poor global optimization ability and cannot effectively solve complex high-dimensional nonlinear optimization problems in engineering, a chaotic differential culture algorithm (CDECA) is proposed. And he prefers to choose the images of people, things and things in the Han Dynasty into poetry, etc. The reasons for this include literary tradition, politics, culture and other factors. The existence of this "Han Dynasty complex" is the theoretical basis for a large number of images of the tombs of the Western Han emperors to enter Tang poetry, and it is also the basis for this article to demonstrate. The example shows that the method has a strong global search ability, has remarkable performance in search efficiency , precision and stability , and can effectively deal with the optimization problem of high dimensional function.