From the clinical manifestations, the disease should pertain to "Baofeng Kere" (pseudomembranous conjunctivitis) in traditional Chinese medicine. Externally, it mainly arises as the sudden invasion of pathogenic wind and heat from outside, and internally due to the interior pathogenic heat and excessive yang. The chief pathogensis of the disease is that the pathogenic wind and heat combine with each other externally and internally, which invades the eye and causes the sudden onset of the disease.According to the theory of traditional Chinese medicine, there are some patterns of syndrome that lead to catarrhal conjunctivitis.1. Syndrome of Pathogenic Wind Exceeding Pathogenic Heat2. Syndrome of Pathogenic Heat Exceeding Pathogenic Wind3. Syndrome of Severe Pathogenic Wind and Heat