Coughing after catching a cold is a self-limiting symptom, and the use of medication is generally not recommended, and it is recommended that babies be given more water and moisturized air. If a baby coughs after catching a cold, it is a self-limiting symptom, the duration of the disease does not exceed 2 weeks, and it can gradually improve and recover, known as acute cough. It is currently believed that there is insufficient evidence of the effectiveness of medication for the treatment of acute cough in children, and may lead to a variety of adverse reactions, and in severe cases can cause death, so it is not recommended for routine use. The correct treatment for a baby’s cough after a cold spell should be to wait patiently for the condition to recover, increase the amount of water for the baby, and keep the room at a suitable temperature and humidity. Cold cough in babies generally about 2 weeks, can be recovered on their own, without special medication, if there are repeated fever, the duration of the disease more than 2 weeks, etc. It is recommended to consult a doctor in a timely manner, in order to clarify the cause of the disease, the use of drugs under the guidance of the doctor.