Frontal sinusitis is an inflammatory disease that occurs in the mucosa of the frontal sinuses. It is categorized into acute frontal sinusitis and chronic frontal sinusitis. The main symptoms include generalized discomfort, headache, nasal congestion, runny nose, decreased sense of smell and other nasal discomfort. 1. Systemic symptoms: acute frontal sinusitis can be irritable, loss of appetite, chills, fever, memory loss, inattention and other systemic symptoms, chronic frontal sinusitis systemic symptoms are mild or not obvious. 2. Headache: frontal sinusitis can cause a full headache or supraorbital neuralgia, followed by conscious pain behind the eyeballs, the supraorbital angle and forehead, cyclic pain, gradually aggravated in the morning, characterized by gradual relief of the pain in the afternoon, repeated the following day. 3. Nasal discomfort symptoms: frontal sinusitis can be persistent nasal congestion; nasal cavity a lot of pus or mucopurulent nasal mucus, often located in the middle nasal tract, difficult to blow out, pus can be a little blood, usually in the morning runny obvious; frontal sinusitis can cause nasal mucosal swelling over time, hypertrophy and obstruction caused by the olfactory nerve function is impaired, resulting in a decreased sense of smell and so on. Frontal sinusitis need to go to the hospital in time for examination and treatment, so as not to delay the condition.