Runny nose belongs to one of the symptoms of colds, which has no indication of the development of the disease, so there is generally no good or bad difference. Colds are usually caused by cold, rain, overwork and so on, resulting in a decline in the body’s resistance to viral infections, the early stage of the disease will have a runny nose, mainly due to the nasal mucosa congestion, edema, nasal secretions caused by spillage, can be taken under the guidance of a physician containing pseudoephedrine drugs, such as compound pseudoephedrine hydrochloride slow-release capsules, phenmetrazine tablets, and Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo-Pseudo capsules. When you have a cold, you should pay attention to the protection of the respiratory tract, such as going out to wear a mask, and pay attention to dietary adjustments, reduce the consumption of spicy and irritating foods, reduce the stimulation of the throat, etc.; taking medication under the guidance of a physician or pharmacist.