Videos that say approved vaccines are dangerous and cause autism, cancer or infertility are among those that will be taken down, the company said.
The policy includes the termination of accounts of anti-vaccine influencers.
Tech giants have been criticised for not doing more to counter false health information on their sites.
In July, US President Joe Biden said social media platforms were largely responsible for people's scepticism in getting vaccinated by spreading misinformation, and appealed for them to address the issue.
