Runny nose may be related to upper respiratory tract infection, if sneezing, nasal congestion, itchy nose, you can take cold medicine such as Lotus Clear Distemper Capsules or cold and flu granules. If you have diarrhea, if the stool is particularly thin, it may be related to indigestion or gastroenteritis, you can take lactobacillus tablets, pepsin and other drugs for treatment, do more hot compresses on the abdomen and eat lightly. If you have a runny nose with diarrhea, if you have nausea, vomiting, dizziness and other symptoms, it may be a gastrointestinal cold, you can take medicines such as patchouli, and during the medication period, you can drink more nutritious porridge such as millet porridge, eight-boiled porridge, eat especially badly cooked noodles, and do not eat hard food, cold and spicy food. If the symptoms do not improve quickly, you can go to the hospital for examination to determine the cause of the disease and then carry out systematic treatment.