Symptoms of sieve sinusitis may include nasal congestion, nasal discharge, headache, etc. Acute sieve sinusitis may also present with systemic symptoms such as fever and fatigue. 1. Local symptoms (1) Nasal congestion: mainly manifested as persistent nasal congestion. (2) Nasal discharge: It is characterized by a large amount of purulent or mucopurulent nasal discharge that is difficult to blow out of the nose, and there may be a little blood in the nasal discharge. The nasal mucus flows downward to the nasopharynx, causing cough, nausea and vomiting. (3) Headache: The headache of sieve sinusitis may be mild, mainly confined to the root of the nose or the inner canthus, radiating to the top of the head. (2) Systemic symptoms: Acute Bifidus may appear, chills and fatigue, poor appetite, constipation, general malaise, fever and so on. If you have the above discomfort, it is recommended to actively seek medical attention, improve the relevant examination, clarify the diagnosis, and follow the doctor’s instructions to standardize the treatment.