A cyst is a benign lesion in the body and edema is often a clinical manifestation caused by a disease. Cysts are benign, sac-like masses that can occur in various parts of the body and are more diverse. When the cysts are small, there are usually no obvious clinical symptoms, and usually no treatment is needed, only regular review can be. When the cyst increases in size, localized pressure symptoms may appear, and need to go to the regular hospital in time. Edema refers to the phenomenon of excessive fluid retention in the interstitial space of tissues, which is often caused by some important system or organ diseases. Therefore, you should consult a doctor in time after the appearance of edema, to clarify the cause of edema, and treat the primary disease under the guidance of a professional doctor in order to alleviate edema. Whether it is cysts or edema, patients should consult a doctor in time when they find it, and treat it under the guidance of a professional doctor.