Runny nose is a very common symptom of the organism, usually caused by cold, allergy irritation, nasal diseases. 1.Cold: If it is caused by cold or sickness, you can take some medicines, which are good for the dissipation of inflammation of the organism, drink more water, and also assist steam and decongestants with the treatment, if the condition lasts for a day without relief, you should go to see a doctor in time. 2.Allergic stimulation: If the runny nose is caused by allergic stimulation, first of all, avoid the re-stimulation of allergens, you can take some over-the-counter antihistamines, and when you go out, it is recommended to wear a mask. 3.Nasal diseases: If the runny nose is caused by nasal diseases, you should go to the ENT department of hospital for examination. In addition to the above treatment, we should also clean the nasal cavity frequently, rinse off the irritants and foreign bodies in the nasal cavity in time; massage the nose to relieve the sinus pressure; not only that, we should also pay more attention to diet and life, mainly light diet, avoid spicy stimulation, pay attention to rest, develop a good habit of life, and actively carry out physical exercise to improve the resistance of the body. The specific method also depends on the individual’s health and the severity of the disease, if the condition is serious must go to the hospital in time to check the treatment, to prevent the delay in treatment and aggravate the disease.