More green phlegm in the nose is seen in acute rhinitis secondary bacterial infection, sinusitis, chronic atrophic rhinitis and other diseases caused by special pathogenic bacteria infection. 1. Acute rhinitis secondary bacterial infection: viruses can trigger upper respiratory tract infections, nasal congestion, runny nose and other rhinitis symptoms. At this time, the body’s immunity is low, easy to secondary bacterial infection, such as infection with Pseudomonas aeruginosa after the nasal mucus becomes thick green. 2. Sinusitis: the main symptoms of sinusitis are nasal congestion, runny nose, sneezing, and may even be accompanied by headache, dizziness, facial fullness and other symptoms. Due to the sinus cavity obstruction and poor drainage, can be secondary to Pseudomonas aeruginosa infection, nasal mucus is usually thick, yellow-green. 3. Chronic atrophic rhinitis: green nasal mucus and yellow pus crusts may appear when the disease is infected by the odoriferous nasal bacillus. It is recommended that patients consult a doctor in time to check the cause of the disease and actively cooperate with the doctor to treat the disease.