Flying mosquitoes will generally disappear, mainly related to the type of disease and treatment, can not be generalized. Flying mosquitoes refers to a small floating black shadow in front of the eyes, more obvious when looking at a bright white background, can be accompanied by a sense of flash, mostly caused by vitreous liquefaction and posterior vitreous detachment. If it is physiological mosquito flying syndrome, mainly due to visual fatigue, anxiety and other factors, patients can be adjusted through the mind, correcting bad eye habits, medication and other methods to relieve the symptoms, generally 1-2 months later can be relieved, the specific recovery time varies from person to person. If it is pathological mosquito flying syndrome, mainly caused by fundus lesions, need to be for the treatment of fundus lesions, the symptoms can be relieved. If the treatment is not timely or improper treatment, mosquito flying syndrome can not disappear, and may aggravate. Therefore, patients with mosquito flying disorder should go to the ophthalmology department of a regular hospital in a timely manner, after examination by a professional doctor, according to the patient’s individual situation to develop a rationalized treatment plan.