What is the importance of punichment?

Oh you mean punishment. Well many people use punishment as a way of instilling fear into the person. Some argue and say it helps rectify their mistake. However, it causes psychological trauma and great pain. My answer doesn't seem to be of high quality. However, you can visit the following websites for more information : http://plato.stanford.edu/entries/punishment/

http://www.dpchallenge.com/forum.php?action=read&FORUM_THREAD_ID=811459