1. The user logs in to the big data platform, enters the details page of the corresponding metadata, and clicks the "Download Data" button at the bottom right of the page.
2. The user enters the personal center, click on the “data basket” under “Data Order” in the menu bar on the left to apply for or delete the data.
2.1 Click the "Request Data" button to enter the application page to fill in the content.
2.2 After filling in, click the “Submit” button and select the corresponding operation (go to data download, go to download the voucher, go to the historical order).
3. Click on the "Go to Data Download" button to see the list of submitted metadata.
3.1 Click on the title of the metadata to go to the file list and click the "Download" button.