The bill would force a Chinese tech giant to sell its stake in the app, but its fate in the Senate...
There have been protests over a potential ban on TikTok at the Capitol building in Washington DC.The US House of Representatives has approved a landmark bill that could see TikTok banned in America.
Lawmakers have long held concerns about China's influence over TikTok.
TikTok has tried to reassure regulators that it has taken steps to ensure the data of its 150 million users in the US has been walled off from ByteDance employees in China.
An investigation by the Wall Street Journal in January found the system was still "Porous", with data being unofficially shared between TikTok in the US and ByteDance in China.
Watch: How do young Americans feel about a ban on TikTok?
Speaking ahead of the vote, Hakeem Jeffries - the top Democrat in the House - welcomed the bill, saying it would decrease "The likelihood that TikTok user data is exploited and privacy undermined by a hostile foreign adversary".
"We are united in our concern about the national security threat posed by TikTok - a platform with enormous power to influence and divide Americans whose parent company ByteDance remains legally required to do the bidding of the Chinese Communist Party," they said in a statement.
Foreign ministry spokesperson Wang Wenbin said on Wednesday that the move would "Come back to bite the US"."Although the United States has never found evidence that TikTok threatens US national security, it has not stopped suppressing TikTok," he told reporters.
Research firm Emarketer estimates TikTok will bring in about $8.66bn in ad revenue from the US this year, compared with less than $1bn in 2020.
WATCH. How do young Americans feel about a ban on TikTok? 4 hrs ago US & Canada.