1. First, open official website, a fund platform for congenital heart disease (search for the fund platform for congenital heart disease, the first result is), find and click the item of congenital heart disease in the children's medicine menu, and find the "Help Guide" on the screen.

2. Secondly, click to open the "Rescue Guide" to find out whether it meets the rescue conditions. If you meet the rescue conditions, click "Designated Hospital" in the menu bar.

3. Then open the interface of "Designated Hospitals" and inquire about the designated hospitals cooperating with CHD project.

4. Finally, go to the designated hospital for treatment, and submit the relevant materials of the rescue application through the hospital for review.