6-month-old babies with a cold runny nose and cough can be given sea salt water to spray the nasal passages to relieve the symptoms. In addition, you need to actively treat the primary disease. The baby cold runny nose can be given to the baby with sea salt water nasal spray, can relieve the symptoms, if there is secretion in the nasal cavity, if conditions allow, can be under the guidance of the doctor to be suction care treatment, can also reduce the symptoms. In addition, if the baby has a runny nose and cough, it is recommended to consult a doctor in a timely manner, complete the blood test, if you consider bacterial infection can follow the doctor’s instructions to be cefaclor anti-infective treatment. If you consider the possibility of viral infections, you can follow the doctor’s instructions to be Pu Di Lan anti-inflammatory oral solution, Bailui granules and other drugs for treatment. It is recommended to strengthen the child’s care, pay attention to warmth to avoid cold, under the guidance of the doctor to use medication, do not unauthorized use of drugs to avoid danger.