Abstract: With the gradual complexity of the external competitive environment, the R & D activities play an increasingly important role in the survival and development of the group companies. In this paper, we summarize the existing research results about R & D of the Group, and through in-depth expert interviews and questionnaires, we sort out 57 control points in the R & D management and classify them according to the degree of importance..At the same time, the importance of R & D’ five dimensions is ranked according to the decision tree algorithm. The results showed that the key and important control points of the parent company mainly focused on the unification of the system and platform, the development and management of major R & D projects and common technologies.The R & D process management has the highest priority in the five dimensions of R & D management.The above conclusion provides useful references for the R & D management practices of the business group.