This research investigated and analysed university freshmen's volley ball learning process at. beginners' phase with regard to their knowledge and skill development about volley ball as well as the frequency of their skill display in ball games. With the adoption of "event sampling" of the Instruments of Systematic Observation and "molecular approach" of Behavior Classification in the investigating and analytic process, the research has come to the following conclusions: 1.In the self-estimation about knowledge in the field of volley ball, both males and females show the tendency toward dissatisfaction as the learning process progressed. Primarily, males show their dissatisfaction at the knowledge of game rules, skill structure and motions while females feel lack of knowledge of skill structure, operational methods and motions. 2.In the self-estimation about skill development, males show the tendency toward dissatisfaction while females are more satisfied with their skill development. 3.After three times of umit learning, on males' part, the frequency of basic skill display is increased with the progress of learning but the skill concerning the whole team and cooperation of team members for the launch of attacks is less displayed. For females, the frequency of basic skill display is irregular and unsteady. 4.As for the frequency of handling ball in ball games, males show the increased frequency in individual with the progress of learning while females show less obvious increase in the frequency of handling ball in individual.