Taking Zanthoxylum bungeanum as the key word, this paper analyzes and calculates the weighted sum of search frequencies of Zanthoxylum bungeanum in network search. According to the query of China Zanthoxylum official website, Zanthoxylum search index is based on the search volume of netizens in Baidu, taking the keyword Zanthoxylum as the statistical object, and scientifically analyzing and calculating the weighted sum of search frequencies of Zanthoxylum keywords in Baidu web search. According to different sources, search indexes are divided into PC search indexes and mobile search indexes.