No bacterial colds, colds are caused by viral infections, but can be combined with bacterial infections. “Bacterial colds become viral colds at a later stage” suggests that there are no more bacterial infections, and usually suggests that the colds are recovering, and at this time the main treatment can be through the general treatment and medication and so on. 1. General treatment: Drink plenty of warm water to moisturize the throat and nose and relieve cough, nasal congestion and sore throat. Pay attention to keep warm and avoid getting cold. If there is fever but the body temperature is lower than 38.5℃, use warm water to take a bath or apply a cold compress on the forehead. Eat more food rich in vitamins and proteins and other nutritious food, and exercise properly to enhance the body’s immunity. 2. Drug treatment: mainly symptomatic drugs, such as dry cough is serious, can use Pentoxyverine and other drugs; for headache, high fever, can use ibuprofen, acetaminophen and other drugs; for nasal congestion and runny nose, can use cetirizine, loratadine and other antihistamines. In addition, complex medications can be used to fight colds, such as compound aminophenol alkylamine tablets and phenmetrazine tablets. It is recommended that the patient seek medical advice from a doctor to determine whether a bacterial cold has turned into a viral cold at a later stage, and the doctor will provide targeted treatment after the diagnosis is confirmed. The use of medication should be in strict accordance with the doctor’s instructions, if there is any discomfort after the use of medication, should consult a doctor in a timely manner.