Remove plug from socket.
Unscrew top of plug
Unclip fuse
Replace fuse.
Determine WHY fuse blew
Fix that
Based on the question you asked, one would be forgiven for thinking you don't have a clue about doing any electrical repairs, however simple.
In the interest of staying alive and the continuing health of people who matter, as well as yourself, please consider asking someone competent to do the job.
XXX, August 2016