There are small black dots in front of the eyes with the movement may be physiological mosquitoes or pathologic mosquitoes caused by the patient should consult a doctor in a timely manner to clarify the cause of the disease after treatment. 1. Physiological Aedes aegypti: normal people in high myopia and with the age of the growth of the eye in front of a small black spot with the movement of such people should pay attention to rest, reasonable use of the eyes, generally without special treatment. 2. Pathological Aedes aegypti: vitreous hemorrhage, vitreous inflammation in patients with vitreous opaque material, so patients can have a small black shadow in front of the eyes, vision loss and other discomfort symptoms, the symptoms of serious cases should be surgical treatment. It is recommended that patients with Aedes aegypti should consult a doctor in a timely manner to assess their condition and follow the doctor’s instructions to choose the appropriate treatment.