my iphone was stolen so what I should do?

You are in the wrong forum, this is the OS X Server forum. You need to go to the iPhone forum here:

https://discussions.apple.com/community/iphone/using_iphone

Wish you the best in getting your phone back!

if you installed and activated the find my iphone app before it was stolen then you can track it

from icloud.com

otherwise you're only option is to report it to the police and your insurance company