Pain drawings allow you to describe the location of your pain(s) using a body outline to represent your body. Only you can feel your pain.
Pain drawings are used to illustrate pain. In medical textbooks there are many illustrations of where pain may be felt. These illustrations can be derived from the authors experience, as well as from formal research projects specifically established to study pain.
Once you have pain, you want to get rid of it. Unless it doesn't go away by itself you'll have to describe it to someone. Usually your doctor. A drawing of your pain can save a lot of time in describing your pain.
Pain is a complex phemonenon - even if it seems simple in its cause. Solutions abound. Don't give up. Documentation is a first step to understanding. Hence pain drawings