With the increasing demand for big data talents, the number of students studying big data continues to increasing resulted in the continuous increasing numbers of students in big data majors. In the case of limited teaching resources, large class teaching is common, and there are some concerns in the teaching process: How to carry out personalized tutoring in a large class? This teaching reform project by introduced “Rain Classroom” technology, Network Teaching Platform, Virtual Online Experiment Platform, and Online Test System to “four-in-one” driving the whole teaching process, they provided some solutions for the personalized tutoring to each student, through the teaching reform measures above, teachers can understand the learning status of each student in the whole teaching process, so achieved the purpose of personalized teaching.