The additional declaration of self-employed urban construction tax and education fee is similar to that of ordinary enterprises. Enterprises should first log in to the electronic tax bureau, click on the current declaration, and then declare the value-added tax amount. After declaring VAT, the system will pop up and ask whether to declare additional tax. Click OK, and then the system will directly calculate the additional tax according to the VAT declared by the enterprise. If the enterprise is correct, click declare.