This artical takes Ding Zhen endorsing Litang County as an example, and uses Baidu Index to compare and analyze the temporal and spatial evolution characteristics of network attention of destination of celebrity endorsement. There are three major findings. The first one is that there are both temporal synchronization and spatial consistency in network attention of celebrity and network attention of tourist destination. In terms of temporal evolution, immediately after the celebrity endorsement, the network attention to the tourist destination increases significantly. The seasonal difference is reduced and the skewness of distribution within National Day Golden Week tends to be uniform. The last finding is about the spatial characteristics. After celebrity endorsement, the degree of agglomeration of network attention decreases and intra-regional difference and intra-provincial difference also decreases. Besides, this article also provides some suggestions for tourism destinations to effectively use celebrity endorsements.