Because there are many people in the Clinton Foundation who have been convicted of various financial crimes.

The Clinton Foundation was established in 2001 by former U.S. President Clinton and was renamed the Bill, Hillary, Chelsea Clinton Foundation from 2013 to 2015 in accordance with Section 501 of the U.S. federal tax law.

The purpose of the tax exemption is to strengthen the ability of people in the United States and around the world to meet the challenges of global interdependence.

The fund has raised $2 billion in capital, has hundreds of employees, and has a total annual budget of more than $223 million, according to 2015 data.

However, this large charitable foundation has repeatedly caused scandals over the years.

Some people questioned the seeking of improper benefits for the private funds of all parties in the name of charity, which violated the U.S. Anti-Corruption Act.

"Fortune" magazine commented that the Clinton Foundation blurred the boundaries between public goods, politics and business.

Through the public information and data that can be found, some problems can indeed be discovered.

Senior positions at the Clinton Foundation are largely filled by people who have known Clinton for years, including Clinton's old friend and political adviser Bruce Lindsay, Clinton White House chief of staff John Podesta and Clinton's 2008 boss Valerie

.

Alexander, presidential public relations advisor, Clinton’s former legislative assistant Amitabh Desai, etc.

Dennis Cheng, chief development officer of the Clinton Foundation who served as Secretary of State for Hillary Clinton and previously served as deputy director of protocol for the United States, could prioritize those who would provide financial support to the Clintons during their reception.

Money flowing into the Clinton Foundation comes from a variety of sources.

Although the foundation has long claimed to have hundreds of thousands of donors, in reality it relies heavily on a handful of senior donors for operating funding.

75% of its funding comes from single donations of more than $1 million. Most of these funds come from outside the United States, and the purpose of the donations is to pave the way for these donors to start operations in the United States.

The Clinton Foundation often bestows honorary titles such as consultants on participating businessmen and investors, a designation that can help these funders secure business opportunities in many countries.

The Clinton Foundation will also place important gold gurus on the foundation's board of directors, but many of them have been charged or convicted of various financial crimes.