Patients need to be clear that there is no such thing as a good eye drop, the eye drop that can be targeted to treat their eye disease is a good eye drop. Patients with certain diseases or discomfort in the eyes should use eye drops under the guidance of a doctor, rather than buying and using them on their own. For common eye diseases, the following eye drops are commonly used: 1. Allergic conjunctivitis: anti-allergic eye drops and anti-inflammatory eye drops can be applied for treatment. Commonly used eye drops include olopatadine hydrochloride eye drops, emmestine fumarate eye drops, flomiron eye drops, pralofen eye drops, etc.; 2. Viral conjunctivitis: antiviral eye drops need to be used for treatment, such as recombinant human interferon alpha 2b eye drops, acyclovir eye drops, ganciclovir eye gel, etc.; 3. Bacterial eye diseases: commonly used eye drops include levofloxacin eye drops, Tobramycin eye drops, aureomycin eye ointment, etc.; 4, glaucoma: commonly used eye drops to lower eye pressure, mainly including cartilol eye drops, brinzolamide eye drops, etc.; 5, dry eye: commonly used eye drops include sodium vitreous acid eye drops, calf serum deproteinized eye gel, etc. In summary, there are many types of eye drops, such as eye discomfort, need to be used under the guidance of a doctor to avoid blind medication. Long-term inappropriate use of eye drops may lead to prolongation of the course of the disease and cause damage to the eye tissue.