If the nasal discharge is clear and accompanied by sneezing, but no fever, sore throat, cough, it is considered to be caused by allergic rhinitis, in the treatment should pay attention to drink more water, pay attention to rest, can take anti-allergy drugs, like cetirizine, paracetamol, loratadine, etc.. At the same time, you can also spray budesonide nasal spray locally, through the treatment after the symptoms can generally be slowly relieved. In addition, if the nasal discharge becomes pus-like and accompanied by fever, it is considered to have acute sinusitis, mainly due to infection, in the treatment of anti-inflammatory treatment, but also pay attention to rest and drink more water. If the runny nose is accompanied by fever, sore throat, cough, etc., it is considered to be caused by upper respiratory tract infection, which requires cold medicine, and if the body temperature exceeds 38℃, antipyretic medicine should be taken for treatment.