Children rhinitis 3 days if there is no secondary other infections and complications, usually lasts about a week there is a certain possibility of self-healing. 1. rhinitis 3 days may be acute rhinitis, mostly due to viral infections, such as only dryness in the nose, mild nasal congestion and runny nose, not combined with bacterial infections, usually does not cause fever, headache, fatigue and other symptoms of general discomfort. The child also does not show gastrointestinal complications such as vomiting and diarrhea. 2. During the onset of the disease, the child should also eat and drink plenty of fluids, strengthen nutrition, and pay attention to rest and warmth. Children with these conditions may be able to recover spontaneously in a week or so. 3. If the symptoms worsen after 3 days of rhinitis and a series of complications, do not blindly wait, so as not to delay the disease. In conclusion, it is recommended to seek medical attention when rhinitis occurs, and treatment should be carried out under the guidance of a professional doctor.