When your nose is running, it is usually an upper respiratory tract infection caused by a cold virus. You can drink more warm boiled water, eat more foods and fruits rich in vitamin C, and also boil cabbage and radish in water. If the cold symptoms are not relieved, you need to take some cold medicines, you can take Pudilan Anti-inflammatory Oral Liquid and Aminophenol Flavonamins Granules. You need to take it three times a day, and the specific dosage should be taken according to the instructions according to the weight. In addition, allergic rhinitis can not be ruled out, if the accompanying sneezing is more serious, you can take oral diclofenac tadalafil to alleviate the symptoms of allergy, and then go to the hospital to check the allergens, and avoid contact with the allergens in the future.