If you have dark circles under your eyes that persist, you need to be more vigilant. It may be caused by kidney deficiency. Long-term dark circles under the eyes may be a sign of kidney deficiency. There are many reasons for dark circles: staying up late for a long time, insomnia, poor sleep quality, excessive eye use, emotional instability, dark blood and stagnant blood causing eye problems. Pigmentation and more. If the dark circles under the eyes persist, it is most likely due to kidney deficiency! Dark circles are often the sign of disease. According to modern medicine, when chronic diseases cause microcirculation disorders, dark circles will appear. Of course, there will also be It is accompanied by some obvious symptoms, not only kidney deficiency, but also any disease involving the heart, liver, spleen, lungs and other organs will show dark circles. Patients with liver cirrhosis, renal failure, aplastic anemia, thrombocytopenic purpura, etc. all have dark circles; some endocrine disorders such as hypothyroidism, adrenocortical insufficiency, Cushing's syndrome, etc. , dark circles will also appear. Some people have dark circles under their eyes but don't feel any physical discomfort, so they say they have "kidney deficiency". Kidney deficiency is a traditional Chinese medicine term, which generally refers to backache, cold limbs, weak legs, decreased sexual function, tinnitus, oliguria, spermatorrhea, impotence in men, abnormal menstrual periods in women, thin leucorrhea, amenorrhea, etc. In fact, simple dark circles under the eyes are not a disease. Modern nephrology medicine believes that human eyelids (eyelids) and their surrounding tissues are very thin. For example, after fatigue or insomnia, the eyelids shrink for a long time, which can cause congestion of connective tissue blood vessels, poor blood flow, and microscopic eyelids. Circulation disorder, resulting in dark circles under the eyes. Dark circles are a health warning issued by the body, but they are not fatal. Therefore, when dark circles appear and you learn that dark circles may lead to serious illness, there is no need to panic. Find out the cause, treat the symptoms, recuperate in time, and maintain a good attitude. , develop good and regular living habits, increase awareness of health care, and ensure adequate sleep, dark circles under the eyes will slowly disappear.