Cold and flu nose running water is mostly caused by viral infections, can be treated through medication, along with daily diet and good lifestyle habits. 1. Medications: Early application of antiviral drugs, such as ribavirin, as prescribed by the doctor; selection of aminophenol pseudo-methamphetamine tablets, loratadine tablets, compound aminophenol alkylamine capsules and other medications for symptomatic relief; corticosteroid hormone nasal sprays, such as budesonide nasal spray, to reduce the swelling of the mucous membranes of the nasal cavity. 2. Daily diet: a cold with a non-stop flow of water from the nose, and sometimes sneezing, itchy throat, sore throat and other symptoms, so the diet should be light, avoid spicy and greasy food, drink plenty of water to promote metabolism, eat more fresh fruits and vegetables. 3. Good living habits: cold nose non-stop water need to pay attention to rest, avoid tired and stay up all night, pay attention to warmth, avoid cold, keep indoor air flow, moderate exercise, improve immunity, go out and wear a mask, good protection. If you have a cold and your nose keeps running, it is recommended that you visit a hospital and follow the doctor’s instructions for medication.