Vesicular conjunctivitis with a growing area of lesions indicates that the condition is not under control and is getting progressively worse, but vesicular conjunctivitis itself is not too serious and can be cured. Vesicular conjunctivitis is a common disease in ophthalmology, and its occurrence has a strong relationship with the autoimmune response. It usually appears in the area of the junction of black and white eyeballs, with localized formation of small semicircular blisters surrounded by obvious manifestations of conjunctival congestion. Patients may have symptoms such as foreign body sensation in the eye and tingling sensation. If the area of the lesion is gradually expanding, it means that the condition is still worsening and requires timely treatment. Usually need to be under the guidance of the doctor point hormone eye drops treatment, commonly used are tobramycin dexamethasone eye drops, prednisolone acetate eye drops and so on. Vesicular conjunctivitis itself is not serious, through medication can be cured, and timely treatment usually does not leave obvious sequelae.