Dizziness and body pain are mainly seen in patients with mechanical infectious diseases with fever, and the following diseases are common: 1. upper respiratory tract infections, patients have a history of cold, mainly manifesting symptoms such as nasal congestion, runny nose, sneezing, coughing, sputum, etc. Routine blood tests indicate an increase in total white blood cells and neutrophils. 2. bronchitis, patients mainly manifest symptoms such as coughing, chest tightness, shortness of breath, fever, etc. The above two diseases are recommended to go to the respiratory medicine department. 3, intracranial infectious diseases, mainly seen in meningitis, viral encephalitis, tuberculous meningitis. Patients mainly have fever, nausea, vomiting, headache, peripheral pain, and some patients are accompanied by impaired consciousness. 4, acute gastroenteritis, patients with fever, nausea, vomiting, pain in the extremities and other symptoms, patients are recommended to consult the Department of Gastroenterology.