Electronic and electrical technology is a basic course for electronics majors. Learning electronic and electrical technology requires integrating theory with practice. Therefore, we should change the traditional learning mode, master the use of basic tools, start with practical links, combine basic theoretical knowledge, make more efforts, accumulate more, and step by step. Electronic technology; Theory and practice; Electronic tools; With the rapid development of science and technology in modern society, the application of electronic technology and electrician technology is more and more extensive, and the demand for talents in electronic technology and electrician technology is more and more urgent. Electronic technology and electrical technology belong to electrical technology, which are both knowledgeable and practical, highly professional and difficult to learn. How to get started easily and how to apply what you have learned has become the most concerned problem for beginners. (remaining 2620 words)