There is an inseparable link between the service area and the overall tactical arrangement of the players. Through the analysis of the service area, it can well reflect the players' tactical intention. As can be seen from Figure 3, the majority of taotian Xiandou's service drop points are concentrated in the No. 1 and No. 5 areas in front of the net, accounting for 98.59% of the total. In addition, the other four areas only account for 1.41%. In these four areas, except for 0.24% of No.1 area before the network, the backyard area only accounts for 1.18%.