References in the paper can quote drug instructions. According to the relevant information, the references in the paper can quote the drug instructions. However, since the drug instructions are commercial documents, we should pay attention to the following points when quoting: provide the publisher and publication time of the drug instructions as much as possible, provide the complete title of the drug instructions as much as possible, provide the publication number of the drug instructions as much as possible, and provide the details of the drug instructions as much as possible.