Abstract:Blueberries, which can also be called cranberries, has many nicknames such as Benedict, persimmon and so on. It is a kind of berries which has high nutritional value and mainly cultivated in Shandong peninsula and large areas of Xiao Hinggan Mountains. It has strong antioxidant activity and radical scavenging ability because of the rich anthocyanins. It also has many advantages, such as the advantages of high efficiency, low toxicity and high bioavailability. Also, it can reduce blood pressure, hematic fat, to have remedial effect caused by diabetes capillaries disease anti-inflammatory, anti-tumor, preventing Alzheimer's, helping support vision, decreasing the symptom of eye fatigue, promoting vascular circulation around our eyes, slowing down the aging of the retinal cell and prevent cardiovascular and cerebrovascular disease. This article mainly takes anthocyanin, which is extracted from blueberry for example to research its property, pharmacological effects and eye disease, such as slowing down the symptom of eye fatigue ametropia, ocular surface disease, cataract, glaucoma, retinopathy and so on. We believe that in the coming future, the pharmacological mechanism of procyanidins could be clarified much more clearly and exert its greater medical value. It will become effective drugs that provide more economic in ophthalmic clinical application and provides much more benefit to the patients.