Fear of public speaking is pretty common. For some people, public speaking anxiety is something they are born with and for other people fear of public speaking develops over time. Some people find that taking a public speaking course can help with their fear of public speaking. Taking a course on the topic helps break the emotional ice as well as help the speaker gain confidence to help tackle their fear of public speaking. Another way to get public speaking help is to join a group. There are professional organizations that get together and take turns delivering speeches, critiquing and encouraging each other. Those groups provide a safe haven to help someone get over their fear of public speaking.
We have all heard the old adage that if you are nervous in front of a crowd, you should just imagine them all naked. Maybe that works for some people. But not all. Other people drink alcohol to get over their fear of public speaking. That might work too, but relying on alcohol is not wise and could lead to a whole other set of issues. Plus you might need to speak at an event where alcohol intake would be inappropriate. Additionally, you could also be prone to getting a little too confident by mistake. The best way to deal with the fear of public speaking is to simply practice and prepare. Breathe deeply and slowly. Write notes down and review them. Preparation is your best ally.
Depending on the venue you need to speak in, perhaps there is other help available to you. Some professional offices have teams that work together with their employees to help them prepare for representing the company at conferences and professional events. If you are giving a speech in front of your class for a project, perhaps your teacher has tips for you. There are several avenues to help, you only need to explore them. Find more.