Lung nodules growing from 5.3mm to 7mm in 5 months are generally not considered a serious condition. Lung nodules may be caused by dust accumulation, bacterial infection, chronic inflammation, etc. Patients may generally experience symptoms such as coughing, chest tightness and shortness of breath. Lung nodules less than 8mm are generally benign nodules, when the patient is diagnosed with nodules 5 months from 5mm to 7mm benign possibility, the patient needs to follow the doctor’s instructions for review can be, such as chest pain, chest discomfort and other symptoms in a timely manner to consult the doctor. Patients should pay attention to reduce the intake of calcium-rich foods, prohibit spicy and stimulating foods, quit smoking and drinking, wear a mask on the road to develop good habits, prohibit staying up late, more contact with nature to breathe fresh air, and keep the surrounding environment clean so as not to aggravate the condition. Patients are advised to follow the doctor’s instructions for regular follow-up.