孙培良教授的学术活动 ,早年遍及中外文、史、哲众多领域 ,后期致力于史学 ,尤其是中外关系史 ,晚年专注于伊朗史。他治学严谨 ,坚持用唯物史观和考据方法 ,对中外古籍和传世碑铭的文字记载、近代的考古发掘及近人的学术成果 ,进行精心研究。在比较中西历史、弘扬中华文明方面 ,他所论证的中国画法西渐引起了伊朗绘画革命、孟子学说西传被马兹达克用作革命斗争的思想武器 ,是前人未曾提及或未能断定的 ,是对国际学术界的一大贡献。 Professor Sun Peiliang’s academic activities, early all over the Chinese, foreign languages, history and philosophy many fields, later devoted to history, especially the history of Sino-foreign relations, his later years focused on the history of Iran. He rigorous scholarship, adhere to the historical materialism and test method, the ancient Chinese and foreign inscriptions and inscriptions records, modern archaeological excavations and recent academic achievements, careful study. In comparing the history of China and the West and carrying forward the Chinese civilization, the westward Chinese painting method he demonstrated evoked the revolution in Iranian painting. The Mencius doctrine was that Western tradition was used as the ideological weapon of the revolutionary struggle by the Mazdak. It has never been mentioned or failed by the predecessors Judged, is a major contribution to the international academic community.