1. At present, online "Taxpayer School" has been basically established on the national tax and local tax websites in various places, where you can study, consult and ask questions for free, as shown in the following figure:

Second, local governments and local taxation bureaus hold relevant tax training every year, and you can participate, especially when new policies are introduced.

Third, accounting firms and tax agents also have relevant training and study on tax declaration.

The operation of online declaration is easy to use, and the key is to master the relevant tax laws and regulations.