Abstract: In the traditional teaching mode of computer numerical control (CNC) technology course, there are many problems during the teaching procedure of this course. For example, the teaching content mostly focuses on the theory and principles of CNC programming, simple teaching skill and insufficient practical time, which result to the students'innovative thinking and comprehensive practical ability are cultivated. For solving these problems, the CNC technology course is reformed by the goal-question orientation teaching method. The principle of goal-question orientation is the code of goal-question orientation teaching method. Based on the principle, the knowledge of the course is optimized and adjusted into five types questions, such as based question, focus question, difficult question, practical question and extended question. And the student's study interest is aroused by the goal-question driving force, which improves the students'abilities of independent thinking, cooperation and exchange; explore together and creative innovation thinking.

Key words: Goal-question orientation, Numerical control practical courses, Application, Teaching system, Curriculum reform, Teaching methods