How accurate is the Qing Palace Chart of Boys and Girls in 2018? With the advancement of science and technology, it has become possible to predict the gender of the fetus, and Qinggongbiao is a method in traditional Chinese mysticism. However, as time went by, many people questioned the accuracy of the Qing Palace Table. This article will discuss the accuracy of Qing Palace Tables from four aspects. 1. The historical origin of the Qing palace watch. The principle of the Qing palace watch is said to be traced back to the Tang Dynasty, but its earliest literature