The best time for a child to have surgery for the first time is 3-6 months, because the skin healing ability of a child within half a year is beyond your imagination.
Yanran Foundation is responsible for examining and approving the operation applications of poor families, and Yanran Angel Children's Hospital is responsible for the operation. In Wangjing, Beijing, you can call in advance to make an appointment at your own expense.
I hope the above is helpful to you.