Right upper lung odd lobe may be caused by abnormal development in embryonic period, usually no obvious clinical symptoms, no need to take special treatment, will not affect the survival time, no need to worry too much. Odd lobe belongs to a special type of lung anatomical variant, mostly occurring in the lung apices. The right upper lung odd lobe is due to the abnormal migration of the odd vein during embryonic development, causing the localized dirty pleura and wall pleura to fall into it. Patients with right upper lung odd lobe do not need to worry too much, usually do not have uncomfortable symptoms, will not affect the life, the right upper lung odd lobe still exists normal physiological function, do not need to take special treatment measures. If patients with right upper lobe of the lung have abnormal symptoms, they need to go to the regular hospital in time to clarify the cause of the disease. At the same time, patients need to actively cooperate with doctors to take relevant treatment measures.