There are several ways to determine whether you have edema: first, facial performance, if you get up in the morning and find that your face has a tight feeling, especially the cheek part, and may be accompanied by eyelid thickening, it means that you may have edema; second, weight change, patients can measure their weight in the morning on an empty stomach for several days in a row, if the difference in weight measured is relatively large, it means that the patient may have edema; third, the appearance of edema If the patient’s ankle or the front of the shin bone of the lower leg appears depressed after pressing with the finger, and does not return to normal quickly, leaving a very obvious indentation, it means that the patient has edema; fourth, the accompanying symptoms, some patients who have edema can mostly show symptoms such as heavy body, weakness, fatigue, sticky stools, and even diarrhea.