Render not smooth

when i got to render my object, it’s not smooth? I’m new to blender so, yeah. help please??

What kind of smooth are you using?
Smooth shading, a subsurf modifier or what?

Did you try looking in the manual? Generally speaking if you have a question regarding basic functions of software, you’ll get answers quicker if you consult the manual.

http://wiki.blender.org/index.php/Doc:Manual