Community-acquired pneumonia after a cold is treated with general treatment, symptomatic treatment and medication. 1. General treatment, the main purpose is to replenish fluids to prevent dehydration, take glucose or sodium chloride to replenish fluids, and at the same time to ensure that the calorie supplementation. 2. Symptomatic treatment, such as a significant increase in body temperature can be taken to physical cooling or acetaminophen and other antipyretic drugs for cooling treatment, respiratory distress is taken to mechanical ventilation targeted treatment. 3. Pharmacological treatment, mainly anti-infective drugs and cough and phlegm drugs, according to the results of drug sensitivity test to take penicillin or ceftriaxone and other antibiotics to control infection, and at the same time, the use of aminoglutethimide, dextromethorphan and other drugs to relieve cough and phlegm treatment, control symptoms. Specific treatment and drug selection need to be carried out according to the doctor’s instructions.