The unstable and unscientific management of governance structure is the most basic reason for the adverse management of private hospitals group. With Jiangsu Wanson Enterprise Group as the subject, empirical analysis on its group developmental pattern was carried out. Based on separating powers into three parts, including the ownership, power of operation and the right of supervision, the collective management model of Jiangsu Wanson Enterprise Group in the group level and intangible assets formation in the hospital level were further improved. This is of general reference values for private medical groups.