There are several reasons why your account has been banned/suspended, like using a detected or outdated hacks, using too much hacks and etc.

First of all do not ask or beg to add something "Anti Ban" because there's no such thing like that.
If you account was banned, It's not our fault.

To prevent:

1. Do not use detected hacks.
   Do not abuse the hacks.
   Do not fck with other players, He will report you.