Fundus hemorrhage is retinal hemorrhage, which is called ophthalmic blood evidence in Chinese medicine. It is a common sign in the process of retinal pathology, which can be caused by ocular diseases, such as obstruction of retinal arteries and veins; perivenous inflammation, or ocular changes caused by systemic diseases, such as hypertension, diabetes, kidney disease, blood diseases, etc. The pairing of blood-activating drugs 1, dynamic and static pairing: a line of qi and blood that is good at moving drugs and a nourishing blood tonic that is calm and quiet drug pairing, so that the prescription moving in the static, moving but not, static in the dynamic, static but not condensed, play a smooth qi and blood, and harmonize the role of liver and kidney. For example, angelica with salvia, angelica moves blood and activates blood initiative, salvia nourishes blood and replenishes the main static, the two drugs together, have the function of nourishing blood and activating blood. 2, qi and blood pairing: the combination of a qi medicine and a blood medicine, mainly for the stagnation of both qi and blood, is the most commonly used form of combination, such as Sanling with curcuma, Sanling into the liver and spleen blood, break the blood in the qi, blood in the qi medicine, curcuma into the liver and spleen spleen, blood in the qi medicine, work specializing in moving the qi to break the blood, dispersing stasis and clearing the meridians, the two drugs together, qi and blood, strengthen the function of invigorating the blood to resolve stasis. 3.Pairing with each other: the two drugs are similar in nature, both are important drugs for activating blood circulation and resolving blood stasis, so using them together can strengthen the function of activating blood circulation and resolving blood stasis, removing decay and regenerating muscle. If frankincense is paired with myrrh, frankincense is pungent and warm, the odor moves around and can move Qi in the blood, myrrh is pungent and aromatic, good at invigorating blood and dispersing stasis, the two drugs used together to promote the internal organs, circulate the meridians to invigorate blood and eliminate stasis. 4, scattering and collecting pair: that is, the pairing of two drugs with diametrically opposed properties, such as chronic bleeding or bleeding for a long time not absorbed, with Pu Huang with Wu Ling Lipid, Pu Huang is long in astringent, hemostatic effect is better, stop bleeding and can also move blood and eliminate blood stasis, Wu Ling Lipid sweet and warm go to the liver, pungent and warm to move scattering, raw blood to relieve pain, eliminate blood stasis and stop bleeding, the two drugs used together, blood circulation, blood circulation and dispersal of blood stasis, the power to reduce swelling and pain is enhanced. 5.Lift pairing: a light medicinal properties up the drug and a heavy medicinal properties sinking drug used together, the use of two drugs to monitor each other’s role, mutual constraints, promote each other, complement each other. For example, peach kernel with safflower, safflower is clear in quality and floats upward, goes outside to reach the upper, pass through the meridians and reach the ligaments, good at removing blood stasis in the meridians and upper, peach kernel is heavy and descending in quality, good at going downward, good at breaking blood stasis in the internal organs, the power of removing blood stasis is enhanced by combining the two drugs, and the stagnation in the blood is dispersed, the congestion in the blood is managed, and the stasis is removed and new is created. 6, complementary diarrhea pairing: that is, a drug to attack the main evil and a drug to support the righteous pairing, this pairing plays a role in supporting the righteousness to remove evil, applicable to deficiency and real mixed blood evidence. For example, white peony with red peony, white peony can nourish the blood and astringent yin, red peony can clear heat and cool the blood, the two together, the use of complement and diarrhea, red peony disperses without tonic, white peony tonic without diarrhea, play a good effect of dispersing blood stasis and nourishing the blood.