Whats the best way to get rid of burning leg?

You have not given enough information, because there different causes of burning leg; may be due to like peripheral neuropathy that may also be due to different things like diabetes mellitus. It is best to get a more comprehensive evaluation so the cause may be found and then it is easier to determine what would get rid of it.

Understanding what might be causing your symptoms would be the only way to have them properly treated. Such symptoms are typically described in neuropathies, you will need to have a physical exam with your doc, keep a journal of your symptoms.