Eye drops are commonly used in ophthalmology, and some eye drops are commonly used to relieve visual fatigue in daily life. Eye drops can be categorized as antiviral, antibiotic, hormone, artificial tears, etc. Even in normal use, some of the drops will pass through the nasolacrimal duct and eventually enter the digestive tract to be absorbed by the body. If the body does not have a clear allergic reaction to the relevant components of the eye drops, even if a small amount of eye drops are accidentally taken, it will not cause damage to the body. However, when the body has an allergic reaction to the relevant components of the eye drops, the corresponding allergic symptoms may occur, and severe patients may even experience anaphylactic shock, such as timely treatment, to take relevant measures to apply, may lead to the death of the patient. In the clinic, even if a person accidentally took eye drops, should mainly observe whether the patient has the corresponding discomfort, such as the patient’s vital signs are stable, no adverse reaction occurs, there is no need to carry out the corresponding clinical treatment.