Children can use saline nasal wash twice. In general, small children allergic rhinitis and other nasal diseases attack, can be in the professional doctor under the guidance of saline rinse nasal cavity, can wash the nose twice. The specific number of nasal spray can be properly adjusted according to the situation of nasal secretions of small children, can be sprayed twice, such as nasal secretions more viscous or more, you can increase the number of appropriate nasal spray, helps to rinse out the nasal cavity inside the bacteria, secretions, etc., to maintain the internal environment of the nasal cavity is clean, smooth, and improve the nasal mucous membrane allergies caused by the uncomfortable situation. If the child needs to use saline nasal wash, it is recommended that under the guidance of a professional doctor, to take the correct method of rinsing the nasal cavity, the action should be gentle, to avoid excessive force, usually pay attention to warmth, to avoid being cold, appropriate exercise, to enhance physical fitness. If there is any discomfort in the nose, you can consult the ENT department in time.