Bilateral sieve sinusitis is an acute and chronic inflammation of the mucous membrane of bilateral sieve sinuses, which can have symptoms such as nasal congestion, headache, visual abnormalities, and runny nose, and there can be differences in symptoms between acute and chronic cases. Bilateral acute sieve sinusitis patients are mostly due to viral infection, bacterial infection and other factors, fever, chills and other existing symptoms can be aggravated, the patient may also appear bilateral persistent nasal congestion, headache, runny nose, vision loss, smell loss and other symptoms. Bilateral chronic sieve sinusitis is more common than acute, mostly caused by sieve sinus repeated infections or metabolic reactions, clinical symptoms are relatively mild, mainly for head pain, intermittent mild nasal congestion, a small amount of runny nose and other symptoms. Patients with the above symptoms, suspected the existence of bilateral sieve sinusitis, should consult a doctor in a timely manner, under the guidance of the doctor to clarify the diagnosis of the disease, and the appropriate treatment.