The most common causes of muscle soreness without exercise every day are myofasciitis, fibromyalgia, viral infections and so on. 1. Myofasciitis: if the patient has a history of myofasciitis, even if there is no exercise caused by muscle fatigue, caused by cold stimulation will also trigger the onset of the disease, and then muscle pain, pay attention to cold and warmth. 2. Fibromyalgia: the pathogenesis is not clear, may be related to genetics, disease, psychological factors, the patient can feel the whole body aches and pains, bone protrusions, ligament attachment points and other parts of the body will also have obvious pressure pain. 3. Viral infections: If the patient is infected by a virus, it is easy to have body aches and pains, weakness of the limbs, and may also have a loss of appetite, fever and other symptoms. Daily non-exercise muscle aches and pains of more reasons, if the symptoms continue without relief, it is recommended to promptly go to the hospital to identify the cause of the disease, the doctor targeted treatment.