the electronic invoice amount can only be written in the unit price. As of February 27, 2122, individual industrial and commercial households can only issue the amount of electronic ordinary invoices for ingredients. Taxpayers can issue electronic invoices by using the online invoice application system provided by tax authorities through the Internet. Compared with traditional invoices, electronic invoices do not need to go through the tax control machine, nor do they need the person in charge of the enterprise to register with the tax authorities frequently. Moreover, it can be achieved instantly, and the false and true can be verified immediately, and the operation is simple and easy.