This work is a taxi invoice recognition app, specifically a taxi invoice recognition system based on Baidu Intelligent AI. Double-click to open the app, and you can see that the whole is divided into three areas: the picture area, the recognition result area and the function area, which are relatively simple. The picture area displays the selected invoice picture, and the recognition result area displays the invoice content. The functional areas include: "Read Picture", "One-click Recognition", "Copy", "Reread", "Empty" and "Exit". The steps of using this app are as follows: click "read picture" after uploading the photo invoice, select the picture, and the invoice will be displayed in the picture area at this time; After that, click "one-click identification" and app will display the identification result in the identification result area. The identification result area is an editable area, which can be added or deleted according to one's own wishes. After processing, click "Copy" to paste the content to the demand; clicking "Re-read" will clear all areas, and clicking "Clear" will clear the recognition result area. Finally, clicking "Exit" will exit the app.