What are effective management methods for relieving pain after plastic surgery?

I have a question regarding care methods that help alleviate pain after plastic surgery. I would appreciate it if you could share some simple ways to manage severe post-operative pain, especially if there are any natural-looking methods. I am curious to know which items or therapies were effective for those with experience. Will managing the condition this way reduce pain and facilitate a smoother recovery? I look forward to your valuable advice!