Colds are caused by viral infections, manifested by runny nose, nasal congestion, sneezing, etc. There is no quick fix for runny nose, and common colds are self-limiting and generally require no special treatment. Common pathogens of colds include coronavirus, respiratory syncytial virus, etc., manifested as runny nose, nasal congestion, cough and other symptoms, most of which are self-limiting, about 7 to 10 days, the symptoms can be relieved, and during the course of the disease, you need to rest and avoid getting cold. If the cold worsens and nasal congestion is severe, chlorpheniramine maleate and loratadine can be used to improve nasal congestion. For patients with normal immune function, no fever, and the duration of the disease does not exceed 2 days, antiviral treatment is not routinely required, and if there is a clear combination or secondary bacterial infection, antibiotics, such as amoxicillin, can be used under the guidance of a doctor. If the symptoms worsen, it is recommended to consult a doctor, complete the relevant laboratory tests to assess the condition, and follow the doctor’s instructions to standardize the treatment.