Tropicamide Eye Drops has the effect of dilating the pupil and regulating paralysis, which can be used to regulate paralysis and dilate the pupil for diagnostic and therapeutic purposes. Compound tropicamide eye drops consists of tropicamide and phenylephrine, of which tropicamide is a synthetic derivative of tropic acid, which can relax the pupillary sphincter; phenylephrine is an adrenaline alpha receptor excitatory drug, suitable for dilating the pupil, and the combination of the two components can play a role in regulating paralysis and dilating the pupil, and it is suitable for regulating paralysis and dilating the pupil for the purpose of treatment and diagnosis. During the administration of Compound Tropicamide Eye Drops, there is a possibility of adverse reactions such as flushing, accelerated heart rate, increased blood pressure, nausea and vomiting, red and swollen eyelids, allergy, etc. Once the discomfort occurs, stop the medication immediately and go to the hospital for consultation. The drug is contraindicated in patients with allergy, glaucoma, shallow anterior chamber, atrial angle stenosis and other factors that increase intraocular pressure. Compound tropicamide eye drops can cause dilated pupils and regulatory paralysis, so until the effect of the drug completely disappeared, patients should not engage in dangerous operations such as driving, and need to wear a sunshade to protect the eyes. Patients with diabetes mellitus, hyperthyroidism, coronary heart disease or heart failure, arteriosclerosis, high blood pressure, and pediatric patients need to use this drug with caution. Compound Tropicamide Eye Drops is a prescription drug and must be used under the supervision of a professional ophthalmologist.