There are several ways to earn money on Facebook:

1. Facebook Ad Breaks: If you have a Facebook Page with a large following, you may be eligible to participate in the Ad Breaks program, which allows you to insert short ads into your videos and earn a share of the ad revenue.
2. Sponsored content: You can also earn money by creating sponsored content for businesses or brands and posting it to your Facebook Page.
3. Selling products or services: You can use your Facebook Page to sell products or services directly to your followers.
4. Crowdfunding: You can use Facebook to promote a crowdfunding campaign and raise money for a specific project or cause.
5. Affiliate marketing: You can earn money by promoting products or services from other businesses and earning a commission on sales.

It’s important to note that in order to be eligible to earn money on Facebook, you must comply with all of the platform’s policies and guidelines.