You can use physiological saline to wash your nose, but it is not recommended to use it every day for a long time, because using it every day may have the effect of disturbing the environment and physiological function of the nasal cavity and so on. 1. Healthy people, such as no nasal discomfort, can not be rinsed nasal cavity; for itself has rhinitis, sinusitis patients, a short period of time with warm physiological saline rinse nasal cavity, can be localized to clean up nasal secretions, reduce the mucous membrane of the local edema, and promote the recovery of the cilia function of the mucous membrane of the nasal cavity. 2. If you wash your nose for a long time and repeatedly, it may cause the temperature, humidity, pH and bacterial structure of the nasal cavity, and can not maintain normal breathing, resonance, moisturizing and other functions; especially for children patients, if they do not cooperate with the use of incorrectly, it is easy to cause choking, earache, rhinorrhea, and other symptoms, and even reduce the local resistance. Therefore, if you have nasal discomfort, you should actively consult a doctor for a clear diagnosis, and follow the doctor’s instructions to standardize the use of medication and treatment.