Body aches may be caused by overwork, which is a physiological phenomenon, or it may be the precursor of peripheral neuropathy, rheumatoid arthritis, fibromyalgia syndrome, infection and other diseases. 1. overwork: the recent period of time to do too much physical labor, do strenuous exercise, resulting in a large accumulation of lactic acid in the body, these acids can not be discharged from the body in a timely manner, there may be a pain in the body performance. 2. Peripheral neuropathy: diabetes, chronic alcoholism patients, with the aggravation of the degree of disease may appear peripheral neuropathy, every place in the body have peripheral nerve distribution, when the nerve inflammation will have the performance of body pain. 3. Rheumatoid arthritis: patients with rheumatoid arthritis, due to immune factors caused by joint inflammation, no timely treatment to control the disease, the inflammation may involve the whole body joints, tissues, there will be the performance of body pain. 4. Fibromyalgia syndrome: Fibromyalgia syndrome is a type of rheumatic disease, which may be related to sleep disorders, neurotransmitter secretion abnormality, immune disorders, patients will show the symptoms of general joint muscle pain. 5. Infection: When the body is infected by bacteria and viruses, it will cause systemic inflammation and release inflammatory factors, which are also pain-causing factors, and then distributed to the whole body along with the blood flow, resulting in the symptom of body ache. There are many reasons for body aches and pains, and if the pain is severe and accompanied by other discomforts, you should go to the hospital to check the cause.