What are the advantages and disadvantages of Britain's announcement of leaving the EU?

1. The EU will suffer great damage in economy, trade, finance and employment.

2. The destruction of Britain's withdrawal from the EU has damaged the process of European integration, and Britain's withdrawal will strengthen the classification power within the EU, which may be in danger of further collapse.

Britain and EU lose their dependence on each other, and both will suffer huge losses in political power.

Generally speaking, there are advantages and disadvantages for Britain and disadvantages for the EU.