Many of the people in google adsense not read carefully TOS of google.Then they Violate google TOS and banned by google. ti avide this following points to be noted.

1.Never click on your own adds for the reason.

2.Never change adsense code.

3.Do not place more than 3 add unit 1 add link and 2 search boxes in one single page

4 Do not run competatve con textual text adds on same web site.

5.Do not disclose confidential information abot earnigs CTR ,CPM.

6.Label headings sponsered link advertisements only do not change.

7.One person have one account is sufficient for many websites.

8.Do not place adds on empty pages.

9.Do not mask add elements.

10.do not sent adss by email.

11.Use supported language only.

12. Placed maximum two referal butten per products per page.

13.Do not confuse adjecent image or adds.

14 do not specify google ads as alternative ads.

If you follow the tips you prevent from banned by goolgle.

datir