What is the best way to treat cfs and pain related to this?

CFS. Or chronic fatigue syndrome involves a number of factors, both physical and mental, coming together to create the syndrome. Hence, you need both your family doctor and a psychiatrist knowledgable in this area working with you to get you better.
Aerobic exercises. What is cfs............If it is a chronic fatigue syndrome then aerobic exercises is the asnwer.
Chronic Fatigue . Chronic fatigue syndrome does not typically involve pain. Fibromyalgia is similar to chronic fatigue syndrome and does involve pain. Have you been formally diagnosed by a physician?