Catheterol Hydrochloride Eye Drops can treat hemangioma, and it is effective in treating superficial hemangioma. Before treatment, relevant examination, such as ultrasound, should be perfected to clarify the depth of hemangioma, if the depth of hemangioma is about 1-2mm, Catheterol Hydrochloride Eye Drops can be used externally. In the process of applying carteolol hydrochloride eye drops, it is necessary to closely observe the changes in the condition, such as color, area, volume, usually about two weeks to review, according to the situation to guide the continuation of the treatment. In the process of treatment, you should also observe whether there are side effects, such as whether there is local allergy, if local allergy, you need to stop the drug in time.