Atypical lung hyperplasia is a pathological diagnosis and is mostly considered as precancerous lesion, which is the early stage of lung cancer. It can be treated by surgical resection as early as possible, while radiotherapy, chemotherapy, targeted therapy and biological therapy can be administered as appropriate so that its early stage of lung cancer can be cured. The clinical combination of immunity-enhancing drugs can ensure less damage to the body during the treatment process. Patients should adjust their living and eating habits and eliminate bad habits, such as smoking and drinking alcohol. At the same time, patients should maintain a happy mood and exercise appropriately, which are beneficial for correcting atypical lung hyperplasia and preventing the reappearance of pulmonary nodules. In clinical practice, atypical lung hyperplasia is mainly a pathological examination of the lung occupancy, and it needs to be combined with the doctor’s diagnosis to choose the appropriate medication.