Nowadays, volleyball adopts the Side-Out scoring system. It is the fastest and the most direct way to score by serving. Strong jump serve produces effective attack, which leads to directly scoring or destroying the success rate of receiving a serve. It's an important and absolute element that affects the result of the game. Therefore, we can see the importance of serving in a game. This article uses literature reviews to investigate and show the results and differences when using serving strategies and serving skills, so as to analyze the worldwide trend of serving. According to the article, we can find out that jump serve is the most common way to use in a game nowadays. The main reason is because this kind of serving is more powerful, and it can also raise the scoring average. On the other hand, the error rate can also get higher. Therefore, coaches and athletes should strengthen the jump serve drill during daily practice, in order to lower the error rate and also make more progress in the future.