Non-bacterial conjunctivitis mainly includes viral conjunctivitis, trachoma, and allergic conjunctivitis. Viral conjunctivitis mainly uses antiviral eye drops, trachoma mainly uses antibiotic eye drops, and allergic conjunctivitis mainly uses eye drops with antihistamines, mast cell stabilizers, and non-steroidal anti-inflammatory drugs. 1. Viral conjunctivitis: antiviral eye drops can be used, such as acyclovir eye drops, interferon eye drops, etc. If there is severe keratitis caused by vision loss, etc., glucocorticoid eye drops can be used, and eye drops with lubricating effect, such as artificial tears, etc., can also be used as appropriate. 2. Trachoma: antibiotic treatment is mainly based on the use of rifampicin, sodium sulfadiazine acetate eye drops and so on. 3. Allergic conjunctivitis: antihistamines can be used, such as emestin fumarate eye drops, etc.; mast cell stabilizers can also be used, such as lodoxamide eye drops, etc.; non-steroidal anti-inflammatory drugs can also be used, such as diclofenac eye drops, etc.; glucocorticoid hormones can be used, such as dexamethasone eye drops. Non-bacterial conjunctivitis, the specific use of drugs need to be under the guidance of a professional doctor, do not judge the use of drugs, so as not to delay or aggravate the condition.