The US Department of State's rating of advisory for travels to China "makes no sense", Foreign Ministry spokeswoman Mao Ning said on Wednesday, urging the US to revise the advisory.

Mao made the remarks at a daily news conference, after US Deputy Secretary of State Kurt Campbell reportedly said the US is considering easing advisories against its citizens traveling to China.

The US has issued a level-3 advisory on travel to China, calling on Americans to "reconsider" such travels.

The advisory has deterred many Americans who are willing to come to China, Mao said.

"We hope the US will withdraw the unfounded advisory and readjust the wrong rating as soon as possible to move this obstacle to China-US people-to-people exchanges," Mao said.