The cause of edema in women’s legs may be caused by Buga syndrome, inferior vena cava syndrome, right heart failure, pulmonary hypertension, because these conditions can cause an obstacle to the venous return of the legs, not easy to return to the heart, because the legs are in the lowest position of the body, usually standing and sitting are in the lowest position of the body, so the tissue fluid will increase, blood will penetrate into the tissues, at this time The phenomenon of swelling in the legs of women is manifested. Therefore, in this case, we must carefully ask the patient’s medical history, and conduct a physical examination, and do some targeted auxiliary tests to clarify the cause of the disease, and some need to carry out surgical treatment to open the blocked blood vessels, so as to improve the patient’s symptoms.