- Check if facebook is alive
- Check if facebook ad placement privileges are restricted
- Check homepage ratings
- Check bm
One, check if the facebook number is still alive
Use the tool: https://2fa.ren/detection.html这个小工具 to also check when the facebook number was registered.

Second, check whether the advertisement placement authority of faceboook number is restricted or not
Use of tools: facebook quality, Google search facebook ad quality, click the link to check whether your facebook has been restricted. In case you are restricted, it is okay to change your facebook number. For example

III. Checking of homepage ratings
If your homepage rating is below 2.5, the facebook system will penalize your ads and will make your ad cpc expensive.

IV. bm inspections
bm is the abbreviation of business management platform, can be used to manage the homepage, messager, facebook advertising account. bm status detection link: https://business.facebook.com/business-support-home举个例子, this is one of my bm, restricted, general In general, bm is less restricted, but if something goes wrong, it will be a problem.
