This user guide is based on the search needs and habits of Westlaw users in mainland China. The main part includes two sections. The first section briefly introduces Westlaw's 5 common search methods, and the second section focuses on the most frequently searched materials, including legal journal articles, enacted laws, cases, legal news and dictionaries. It uses specific search examples to illustrate how to use Westlaw to quickly and accurately search and effectively analyze the results. The appendix section also carefully organizes over 60 recommended databases for user reference.