1. Online video teaching: At present, there are many online video teaching resources about CAD. You can search online for CAD-related videos to learn. There are many CAD gods on the internet who explain CAD related knowledge, which is very useful.
2. Buy books to learn: There are many books to learn CAD, and books can be carried with you, which is more convenient to learn. The types of books you can buy in physical stores are not so complete. It is recommended to buy it online.
3. Enter training courses: No matter what major, there are training courses of all sizes. You can sign up for a training class. The advantage of the training class is that it will be faster to have a teacher to explain. The disadvantage is that training courses are generally more expensive and need a certain economic source.