If a child has a runny nose all the time, parents can treat the child in the following ways: 1.Rhinitis caused by a cold, parents can give the child cold medicine, the symptoms of runny nose will be relieved after the cold is well; 2.For the symptoms of runny nose caused by allergic rhinitis, when the child’s runny nose is clear, and also accompanied by nasal congestion, nasal itching, sneezing and other symptoms occur, parents should let the child Keep your child away from allergens, you can use rhinitis spray to give relief, such as endosulfan, ketotifen, etc., to help children reduce symptoms, can also be used for desensitization treatment; 3, if there are recurrent colds caused by rhinitis. It is recommended to take a film of the baby to the hospital to see if there is a foreign body in the nose; 4. In daily life, you can give your child bubble feet and let him/her drink more hot water, this method can help the child to thin the nose and relieve the child of uncomfortable symptoms.