Sinusitis is a nasal disease caused by bacterial and viral infections, etc. Fever usually signals the production of inflammation in the nose, and patients need anti-fever and anti-inflammatory treatment. If the patient is accompanied by nasal congestion, thick snot and other undesirable symptoms, he or she also needs to undergo snot-removal treatment to reduce the discomfort.1. Anti-fever treatment: If the patient’s body temperature is below 38.5, he or she can first drink more water to promote metabolism. Appropriate warm water swab bath and use antipyretic patch to help cool down the body surface. When the patient’s body temperature reaches 38.5 and above, antipyretic and analgesic drugs can be used to control the body temperature under the guidance of professional doctors; 2, anti-inflammatory treatment: when the patient has inflammatory fever, anti-inflammatory treatment should be adequately carried out. It is recommended that the patient seek medical attention for bacterial culture and drug sensitivity test to determine the pathogenic bacteria and choose sensitive antibiotics for full amount and full course of treatment, such as cephalosporins or macrolides; 3 The patient can use saline for nasal rinsing to promote the discharge of nasal sinus secretions, which helps sinusitis recovery. During the treatment period, sinusitis patients should eat a light diet, ensure nutritional intake, and avoid spicy and irritating foods such as fried chicken and chili peppers. Try to avoid contact with dust, pollen and other allergens, while paying attention to personal hygiene, not going to public places, and wearing a mask when you go out to avoid aggravating the condition.