Mi Meng Hua is mainly used to treat eye diseases through decoction, and can be used to treat conjunctivitis, corneal opacity, cataract and other eye diseases. Mi Meng Hua is one of the common herbs used in traditional Chinese medicine to treat eye diseases, with the effect of clearing away heat and fire, nourishing the liver and brightening the eyes, and removing cloudiness, it is mainly used in the treatment of eye swelling and pain, photophobia, tearing, blurred vision and other uncomfortable symptoms. However, patients need to pay attention to is, do not unauthorized use of mimulus flower to carry out treatment, because Chinese medicine treatment, not only based on the symptoms to determine the condition and formulate a treatment plan, but also by the doctor after the examination of evidence-based treatment, even if the same symptoms, the treatment plan may not be the same. Patients are advised to use it rationally under the guidance of doctors, do not use it in excessive dosage, and do not consume it together with spicy and stimulating foods and alcoholic beverages, and do not decoct the medicine with metal utensils such as iron and copper.