Google Adsense Rules and Policies are very clear and they have to be followed, make sure to learn and follow them, you should have no problems with Google.
- Do not create more than one Adsense Account. But you can have many website/blogs on a single Adsense account.
- Do not click your own ads (not even to test them).
- Do not encourage users to click your ads.
- Do not put ads on pages with no content.
- Do not overlap ads with content that users cannot distinguish.
- Do not use automated bots to increase clicks.
- Do not encourage or participate in click groups to click each others ads (Click Exchange).
- Do not edit or modify the Adsense code (does not include changing properties).
- Do not buy banned sites, typically MFA from others.
- Do not display pornographic, hatred or any other banned content.
- Do not redirect user a way from any advertisers page.
- Do not display more than the maximum number of ads on a page. Check with the Google Adsense rules.