Cold half month nasal congestion, cough with yellow sputum, consider the possibility of viral cold secondary to bacterial infection or bacterial infection, it is recommended to take oral antibiotics, such as penicillins, cephalosporins, quinolones, etc.. The use of antibiotics must pay attention to the presence of allergic reactions. Alcohol is prohibited when taking cephalosporin antibiotics. It is recommended to drink more water, pay attention to keep warm, and focus on light food. If combined with fever, fever-reducing drugs can be added as appropriate. If the symptoms do not ease for a long time, it is recommended to go to the hospital to check the blood routine, chest X-ray, chest CT, etc. in time to clarify the diagnosis and treat the symptoms.