2. Pericarpium Arecae has other functions in clinical application, for example, it can treat constipation and constipation, and it can also treat parasites in the body. Pericarpium Arecae can be used to drive away parasites, so that human parasitic diseases can be improved. Pericarpium Arecae is often used together with Cortex Acanthopanacis, and the effect is very obvious for edema in human body. There are some side effects in the application of big belly skin, which must be paid attention to, such as rash, shock, urticaria and so on, and should be applied under the guidance of a doctor.