If the central retinal vein is blocked, the sudden loss of vision belongs to the category of “violent blindness” in Chinese medicine; if the hemiplegic vein is blocked or the branch vein is blocked and the macula is involved, the slow loss of vision belongs to the category of “faint vision” in Chinese medicine. The key to treatment is to activate blood circulation and eliminate blood stasis, supplemented with qi, pacify liver and submerge yang, dispel phlegm and dampness, nourish yin and lower fire. In order to promote the absorption of retinal hemorrhage and macular edema as soon as possible, and prevent the occurrence of complications. 1.Qi stagnation and blood stasis: Signs: sudden loss of vision at one glance, black shadows floating in front of the eyes, extensive lamellar or fire trap hemorrhage centered on the optic papillae, retinal veins tortuous and angry, oozing in the retina. The patient may see headache in front of the eyes, distension in the chest, or mood discomfort, or insomnia, or breast pain. The tongue is purple and dark or with stasis points, and the pulse is string. Treatment: Promote circulation of Qi and Blood, resolve blood stasis and promote circulation. Treatment: Blood Mansions and Stasis Soup with addition and subtraction: Sheng Di Huang 10g Tao Ren 10g Safflower 6g Red Peony 10g Chai Hu 10g Niubizi 10g Citrus Aurantium 10g Angelica Sinensis 10g Ze Lan 10g. 2. Liver Yang hyperactivity: Sudden loss of vision at one glance, fundus examination shows ocular arteriosclerosis, hemorrhage and exudation in the retina. Or vertigo and tinnitus, head and eyes swelling and pain, or impatience and irritability, bitter and dry mouth. The tongue is red with little or thin yellow coating, and the pulse is string. Treatment: Calming the liver and submerging Yang, activating blood circulation and eliminating blood stasis. Remedies: Tianma hooked vine drink plus reduction: Tianma 10g hooked vine 10g raw stone cassia 20g gardenia 10g Chuan Niu Kne 10g Eucommia 10g motherwort 10g peach kernel 10g safflower 6g Salvia 10g. 3, phlegm and stasis obstruction: symptoms: eye symptoms as before, accompanied by heavy head and dizziness, irritability and chest tightness, less food and nausea, body fat and phlegm. Pale tongue with greasy coating and slippery pulse. Treatment: Cleansing phlegm and promoting blood circulation, activating blood circulation and eliminating blood stasis. Formula: Purge phlegm, add and subtract: Hexia 10g orange red 10g Citrus aurantium 10g Poria 15g gallanopsis 6g bamboo rhizome 10g calamus 10g salvia 10g red peony 10g safflower 6g peach kernel 10g. Retinal vein obstruction should be grasped that the pathological basis of the disease is “blood stasis” which leads to obstruction of blood vessels, so do not use hemostatic drugs. Pay attention to activating blood circulation and eliminating blood stasis. And pay attention to add and subtract according to the symptoms: add astragalus, prunus and yam if there is Qi deficiency; add heliotrope and aromatic herb if there is Qi stagnation; add raw dioscorea and tannin if there is blood heat; add cinnamon branch and dogwood if there is cold; add motherwort, poria and white foxglove if there is macular edema; add seaweed and kombucha if there is oozing from retina. The dosage of medicine should be different according to the individual’s constitution, the first disease can be measured heavily, and the long-term disease should pay attention to taking into account the righteousness. At the same time, we should also pay attention to regular fundus examination, fundus imaging, and timely laser treatment for new blood vessels. Those who have hypertension, diabetes, hyperlipidemia, arteriosclerosis, and high blood viscosity should pay attention to health care after the disease. It should be treated in time. Those with vision >0.5 should be reviewed every 1 to 2 months for the first six months, and then may be reviewed once a year. Check for neovascularization and macular edema.