From the modem onwards, the Chinese history always made great efforts to ally with social science, the modern history school that Zhu Qianzhi took the head inside was a significant group of attempters. The article dissertates a series of their representations how history intercross social science, including curriculum innovation, theory study, operation, and the relationships among the modern school, the textual research and archaeology school and the textual criticism school that had become mainstream. At the same time, the paper pays attention to open out the idiographic backdrop how the school came into being, its characteristic, success and failure, and so on. The facts and influences displayed could be used as reference for cross-disciplinary in history study today.