1. Retrieval steps of the retrieval machine: click "collection query" to query the required books as needed, write down the book call number, shelf position and collection address, and then search for books in the stacks according to the book call number and collection address;

2. Mobile phone library retrieval steps: open the mobile phone library, register an account, click "collection query" to enter the "collection query" page, and then search for the desired book;

3. WeChat official account search: register the official account of WeChat in the library of Yunnan Teachers College of Science and Technology, bind the account, click "Book Query" to enter the "Simple Search" page, and then search for books.