On National Eye Care Day, we all think that only spring is the high season for eye diseases, but in fact, entering June is the active period for eye diseases caused by enterovirus. This kind of eye disease is more dangerous because of the rapid spread and strong infection, when you find red eyes and swollen eyes, do not treat it as “red eye” self-medication, it is best to seek early treatment. The enterovirus that can cause eye disease is virus type 71, or EV71 for short, and the eye disease caused by it is acute hemorrhagic conjunctivitis. EV71 was discovered in 1969 and can be considered the latest enterovirus, while EV70, which belongs to the same family, causes the disease known as “hand, foot and mouth”. Unlike other viruses that are active in the spring, the prevalence of enterovirus is highly correlated with the change of seasons and environmental temperature, and it is only prevalent in summer and early autumn, with a peak from June to September each year. Recently, the high temperature and low rainfall and high temperature without rain are most suitable for its reproduction, so it is more important to be vigilant at this time. The reason why EV71 causes more dangerous eye disease is that it starts more quickly than ordinary eye infections, often 24 hours after the onset of symptoms such as red eyes, swollen eyes, bleeding, eyelid congestion, about 20% of people will also have fever, headache, etc., and some people will have diarrhea. Acute bacterial conjunctivitis, commonly known as “pink eye,” has a longer incubation period and is less aggressive than it is. At the same time, the ferocity of acute hemorrhagic conjunctivitis is also reflected in the strong contagious force, only in the contaminated pool swimming, may also be infected with the disease. Generally speaking, enteroviruses are transmitted mainly by fecal-oral transmission, but EV71 is considered to be more infectious by eye and hand due to its faster transmission rate than other enteroviruses. Therefore, it is very important to wash your hands after a bowel movement, and it is also very important not to touch the suspected “red-eye” person and items related to his eye secretions, such as towels, basins, etc. Zhou Wei pointed out that statistics show that almost all children under the age of 3 have no antibodies to EV71, so they are the main high-risk group. Therefore, it is best to seek prompt medical attention when you find red eyes and swollen eyes. It is not difficult to distinguish it from “pink eye”, which has a lot of purulent secretions, while its secretions are thin and more like clear nasal discharge, and bleeding from the eyes is also a major symptom. After “SARS” and “hand, foot and mouth”, we have a certain knowledge of the prevention of viral infections, in fact, hand washing, do not contact with sick people and other tricks to prevent viral infections are effective for it. Chinese medicine is effective in antiviral, sick or found around someone sick, take some antiviral drugs, such as Banlangen, etc., can also play a role.