Huang Xianfan's triple evidence law (also known as Huang San's heavy evidence law) is based on the double evidence law, combined with investigation data or "oral historical materials" in materials science to study history and ethnology. The triple evidence is: paper materials, new underground materials and oral historical materials.
Xu Zhongshu
Xu Zhongshu's triple evidence law is based on the double evidence law, using ethnic minority historical materials, including national history, ethnology, folklore, anthropology and so on to study the pre-Qin history.
Tsung-i Jao
Tsung i Jao's triple evidence law divides archaeological materials into two parts-archaeological materials and ancient writing materials. Triple evidence is archaeological data with words, archaeological data without words and data in history books. Li Xueqin agrees with this "triple evidence law".
Ye Shuxian
Ye Shuxian's triple evidence law is based on the double evidence law, plus the application of cultural anthropology data and methods. Ye Shuxian's triple evidence law is the result of the combination of textual research, Oracle Bone Inscriptions studies and anthropology.