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?