The pain may be caused by viral cold, strenuous exercise and rheumatism. 1. Viral cold: it may be caused by viral infection and other causes of viral cold, the patient will have a pain in the body, accompanied by nasal congestion, sneezing, runny nose, headache and dizziness and other symptoms. 2. Strenuous exercise: if the patient does not participate in sports for a long time, and suddenly carry out a more strenuous exercise, then the muscles will be sore, which will lead to the body to have a pain in this and that pain. 3. Rheumatic diseases: patients suffering from rheumatism and rheumatoid arthritis may experience wandering pain, body pain here and there, especially in winter, rainy days and humid environments, will also aggravate the patient’s symptoms. If these conditions occur, it is recommended to consult a doctor for timely examination and treatment under the guidance of the doctor.