There are many reasons for children’s yellow-green nasal discharge, which may be related to upper respiratory tract infection, sinusitis, nasal foreign body, nasal swelling and other reasons, and need to be analyzed according to the accompanying symptoms, and if necessary, seek medical advice to identify the causes and give correct treatment. 1, upper respiratory tract infection: wind-heat cold is more likely, mainly manifested as fever, slightly evil wind chill, sweating or less sweating, headache, nasal congestion, if combined with bacterial If the combined bacterial infection can lead to yellow-green nasal discharge, the child can follow the doctor’s instructions to take oral medication such as Yin Qiao Jie Toxin Pills, Sang Ju Cold Tablets, Antelope Cold Tablets for treatment; 2, sinusitis: the main manifestation of yellow pus nasal discharge or yellow-green nasal discharge, when the child has yellow-green nasal discharge, it can also be accompanied by nasal congestion, sneezing, headache, decreased sense of smell and other symptoms. In particular, odontogenic sinusitis, due to infection of the upper teeth causing purulent maxillary sinusitis, can also appear the phenomenon of yellow-green runny nose, while the face will have tenderness, toothache and other symptoms, the need to apply antibiotic treatment, such as penicillin, cefuroxime, etc., while using nasal spray hormone or nasal spray saline, physiological seawater rinse nasal cavity; 3, nasal foreign body: especially young children in the process of playing, may be Foreign body into the nasal cavity, if parents do not find in time, foreign body in the nasal cavity for a long time after the retention of nasal infection, yellow or yellow-green purulent secretions, resulting in yellow-green nasal discharge, accompanied by nasal blockage, swelling, pain and other symptoms, you need to go to the ENT department to remove the foreign body in the nasal cavity, and then use decongestants, such as furosemide nasal drops, with oral antibiotics for treatment; 4, Nasal masses: including benign nasal masses, such as hemangioma, nasal polyps, and nasal malignant tumors, which cause yellow or yellow-green secretions in the nasal cavity and lead to yellow-green nasal discharge, among which hemangioma can be accompanied by bright red or purple patches, nasal polyps can be accompanied by persistent nasal congestion, loss of smell, and sleep snoring, and nasal malignant tumors can be accompanied by protrusion of the eye, bulging of the inner canthus, visual impairment and other pressure Symptoms, you need to go to the hospital in time for targeted treatment under the guidance of professional doctors, for example, children with nasal polyps can have the polyps removed through functional endoscopic sinus surgery to relieve symptoms.