Mainly by a few private donations, such as Gates' foundation, mainly by Gates and Buffett's donations. There is also the Liao Foundation, which has recently been exposed to corruption and accounting corruption. It was established by Liao and his wife. At the beginning, One Foundation can temporarily solicit donations from the public, but without its own independent account and official seal, it can only use the China Red Cross. Strictly speaking, it is illegal and may be investigated at any time. It was not until 2010 65438+February 3 that it was officially approved and obtained legal status.