In severe cases, bilateral maxillary sinusitis can be characterized by pain in both cheeks, nasal congestion on both sides, and runny nose. Maxillary sinusitis is a type of sinusitis, which usually strikes after the patient is infected by bacteria such as pyogenic cocci, which induces acute rhinitis. Typical clinical symptoms of bilateral maxillary sinusitis are pain in both cheeks, which is usually strongest at noon and milder in the morning and evening. At the same time, the patient also often appear bilateral nasal congestion, pus flow and other symptoms, some patients due to the maxillary sinus mucus in the inflammation of the stimulation of swelling, resulting in the olfactory fissure area of the obstruction, may be accompanied by a temporary sense of smell loss. In addition to the above symptoms, because the disease is often secondary to acute rhinitis and other infectious diseases of the upper respiratory tract, due to the presence of bacteria and other pathogens in the body, the patient may also have fever, chills, generalized fatigue, loss of appetite and other systemic symptoms. Bilateral maxillary sinusitis has more clinical symptoms, specific symptoms for the cheek pain, it is recommended that patients with recent unexplained cheek pain, timely medical examination, clear specific causes of active treatment.