| The Chinese men’s basketball professional league professionalization reform was in 1995, the first year following the arrival of the first foreign aid, to cause the attention of all parties. Throughout the league development process, the role of foreign aid is a double-edged sword, on the one hand, foreign aid has brought the advanced concept of basketball idea and tactics, to narrow the gap in the power of the team, foreign aid an obvious effect on the pitch, sometimes one or two people will be able to decide competition, excellent performance of the foreign aid to the league has injected vitality, has brought many benefits to the development of market ization, but on the other hand, part of the team too dependent on foreign players, focus more on foreign players, often can see, the team to victory, put the key into the fourth quarter of foreign aid, domestic players often become an outsider, the outcome is almost decided by foreign aid. In view of this, small single foreign aid has come into being, its guiding ideology is a crucial moment can reduce the number of foreign aid in the fourth quarter, let more domestic players play to exercise myself. In this paper details the result of single foreign aid rules as the breakthrough point, to explore the condition of the single foreign aid teams use small, using the literature material law, video observation method, mathematical statistics, comparative analysis, case analysis, the following conclusions:1, after the two season CBA teams use foreign aid rules of comparative analysis, found that part of the team the details and the limit of the single foreign aid regulations, its main effect on the offensive end, most of the foreign aid team offensive Numbers fell. The defensive end through the data contrast, and did not appear too big change.2, after the two season CBA teams ranking with the aid of data change after analysis, found that foreign aid use rule changes, the similarity of two seasons, and 12 of the 18 teams team of foreign aid data ratio decreased, and there are 7 teams in the 12 teams of the regular season scores were lower than the original, the drop their performance with the team’s foreign aid has a certain relationship. The last four foreign aid teams scores and proportion rose, two teams ranking rose, two teams ranking fell.3, from the relationship between different foreign aid use regulation and competition, small single season foreign aid, the team in the fourth section below details to win the game is to double the season foreign aid, small single foreign aid rules to increase the uncertainty of the result of the match played a role, reduces the foreign aid to the decisive, in the game but due to the condition of the single foreign aid teams use small, the impact of different.4, in view of the small single foreign aid regulations, the use of case analysis there are three situation, respectively stable team, using good and poor teams use regulations. Liaoning, shanxi, Qingdao team foreign aid rules apply for small effect more apparent, positive influence to the team, performance is better than in previous years. Guangdong and Beijing for small single foreign aid regulations, performance is relatively stable, shandong team, xinjiang, guangsha single foreign aid rules apply for small effect is poorer, small single foreign aid negative impact is bigger, a greater influence on the performance. |