Severe dark circles under the eyes may be caused by staying up late, heredity and aging. It can be improved by sufficient sleep, hot compress, laser treatment, micro-needle treatment and other methods. 1. Staying up late: If the dark circles are caused by staying up late, it can be improved by getting enough sleep and rest. Adequate sleep and rest can improve the dark circles caused by excessive fatigue. And hot compresses can improve blood circulation under the eyes and reduce venous depression. 2. Heredity: If the dark circles are caused by heredity. You can improve the symptoms of dark circles by localized laser treatment, which removes the local melanin deposits through the deep light and heat effects of laser. 3. Aging: Aging tends to make the skin loose and structural dark circles may appear. If the dark circles are serious, microneedling, radiofrequency and injectable fillers can be taken as treatments. In normal life, you should avoid staying up late and develop a regular routine. It is recommended to go to the regular hospital in time to check the cause of dark circles and take targeted measures under the guidance of professional doctors.