Cheek and upper chest congestion is the main pathological change of renal syndrome hemorrhagic fever, which is clinically characterized by fever, hypotension, hemorrhage, and renal damage. So what is the differential diagnosis of cheek and upper chest congestion? Let’s take a look below. Significant sunken cheeks: sunken cheeks on both sides are one of the causes of distress in those who are cut. If the cheek sink is obvious, the cheek arch is visible as bulging, both cheeks collapse, fine wrinkles are visible at the cheeks and corners of the mouth, the skin is dry, the complexion is yellow and unattractive, and it is much older than the actual age. Facial congestion with cherry red color: due to the expansion of capillaries throughout the body, vascular permeability increases, can be manifested as facial congestion, facial redness, cherry red color, seen in oxide poisoning and so on. The diagnosis is based on the occupational history of inhaling a large amount of nitrogen oxides in a short period of time, clinical manifestations of respiratory damage and chest x-ray signs, combined with blood gas analysis and on-site labor hygiene survey data, comprehensive analysis, and exclusion of other causes of similar diseases. The disease is an acute febrile exanthematous pediatric disease with systemic vasculitis as the main pathological feature. As this disease can occur serious cardiovascular pathology, people pay attention to the increase in the incidence in recent years, in 1990, among the rheumatic disease hospitalization cases in Beijing Children’s Hospital, Kawasaki disease 67 cases, rheumatic fever 27 cases; 11 hospitals in foreign provinces and cities the same information, Kawasaki disease for rheumatic twice. Apparently Kawasaki disease has replaced rheumatic fever as one of the main causes of pediatric acquired heart disease in China. Kawasaki disease is currently considered to be an immune-mediated vasculitis and is temporarily coded within the connective tissue diseases chapter.