1. Taxpayers can aim the hand-torn invoice at the light source. If there are messy fibers in the paper, it means it is a real invoice;

2. You can read the financial seal on the invoice by hand. If the handwriting of the financial seal is clear, it means it is true;

3. You can mark the front of the invoice with your fingers. If the mark is blue, it is a real invoice.

4. You can use the invoice checking function to check on the official WeChat official account;

5. You can log in to official website, the local tax bureau, and use the invoice checking function to check. Basic invoice association

1. Bookkeeping association: Bookkeeping association refers to a written voucher issued by the seller of goods after the goods are sold to record the sales amount and output tax of the goods;

2. Tax deduction coupon: the tax deduction coupon refers to the written voucher used by the buyer of the goods to record the input tax. After the buyer obtains the tax deduction coupon, it needs to be arranged in the order of obtaining it;

3. Invoice form: Invoice form refers to the original written certificate of an individual consumer after purchasing goods, which is used to prove that the business has occurred.