The stone graves were constructed by piling chipped rocks, either square or round, measuring 40 x 20 x 30 cm. Each tomb covers an area of 300-400 square meters, with the largest stretching over 1,000 square meters. The rocks were arranged to a height of more than one meter.

The Niuheliang Site belongs to the Neolithic Hongshan Culture, which was created by tribes living in the west of the Liaohe River Valley about 5,000-6, 000 years ago. The Hongshan Culture was a culture of the late Neolithic Age centered in today's Southeastern Inner Mongolian Autonomous Region, Western Liaoning and Northern Hebei province s. The Hongshan Culutre was named in 1935 after the first site was discovered in Chifeng City, Inner Mongolia.