One of the annihilation of many years of the Yuanmingyuan full-fledged plan, in 1990 by the Yuanmingyuan management office personnel in the Forbidden City's collection of maps found by chance. The full name is "Yuanming, Qichun, Changchun three parks land and river map", the map is 275 × 215 cm, the scale of about 1 to 1200.

This century, from 20 to 70 years, there have been several experts, scholars have drawn several pieces of the general plan of the Yuanmingyuan, but due to the consolidation of historical data or based on the current situation of the site of restoration maps, and therefore inevitably has certain limitations.

This full map of the Yuanmingyuan in its heyday is stamped with the "University of China and France collection" seal, indicating that it is the descendants of the Lei's style house in the Qing Dynasty sold to the University of China and France in the past around 1930, the collection of the map. This map of the three gardens of the Yuanming river and lake systems and all the scenic groups, attractions are labeled in detail. From its painted buildings and garden name, scene name labeling judgment, this is the Qing dynasty during the reign of xianfeng yuanmingyuan before the destruction of a panoramic map, is so far found to most truly reflect the full picture of the three parks of the yuanming an authoritative plane map.