What should i do to improve my public speaking skills

For me what I should I do to dramatically improved my public speaking is, first I need to refer and many asked to lecture people experienced as well as my predecessors versed about public speaking in front of people.Second,practice both training and always ready. relax, take a deep breath, think positive when you want to make public speaking. Also play a role importantly clothes will make us confidence in the future when making public speaking.