This situation indicates the presence of two conditions. In the first case, it indicates the development of acute purulent sinusitis, a greenish nasal discharge formed by a large number of bacterial infections. Its treatment begins with the cleansing of the nasal passages, washing them with sea salt water. Medications that shrink the mucous membranes of the nasal cavity or the opening of the individual sinuses, such as dalfenacoum, are administered, followed by antibiotic nasal drops, such as streptomycin drops. At the same time, oral administration of sensitive antibiotics, such as cephalosporin antibiotics, or simultaneous use of anti-anaerobic drugs, such as ornidazole, etc., which is one possibility; the second situation, this green nasal mucus may imply some infections, such as the secondary infection of the nasal cavity of the foreign body, pus nasal mucus is very much. The first thing to do is to take out the foreign body, the nasal cavity can be localized for cleaning, or spray medication can be, usually do not need to carry out oral antibiotic treatment.