The results of scholarly research indicate that this paradise must have corresponded to what is today known as the Chengdu Plain, and the findings at Sanxingdui further corroborate the argument that there was indeed an ancient city on the Chengdu Plain that was every bit as advanced as its contemporaries in the Yellow River basin. Legends can exaggerate--the 3.5-square-kilometer Sanxingdui site is considerably smaller than the Duguang mentioned in the Shan Hai Jing.
三星堆的出土更加強推斷，上古成都平原確有一個不亞於殷商都邑，面積達三．五平方公里的古城。