People who always need to maintain the same posture are prone to some occupational diseases. For example, teachers, salesmen and other people who need to stand for a long time are prone to varicose veins in the lower extremities: there is a “small earthworm” climbing on their legs, which is not painful at first, but if the disease continues to develop, a series of complications may appear, such as thrombophlebitis phlebitis, eczema, ulcers, acute bleeding, etc. Introduce several better ways to prevent varicose veins of lower limbs during work: 1, if you are often sitting in the office staff, you can work while flexing and stretching your legs for 10 minutes, 1-2 times every half day, it can play the role of preventing varicose veins of lower limbs. 2, if you are standing work for a long time, it is always possible to squat a few times when you have time. If you are busy again, this kind of activity is also doable. If you have conditions, wear elastic socks or bandages when working, that is the best preventive measure. 3, classroom exercises, workplace exercises is one of the preventive measures, should actively participate. If you work in a unit without recess, in the case of not affecting the work, you can properly do some activities within your reach. The simplest and effective activity is to squat down and then stand up, repeatedly several times, which can favorably accelerate the venous blood return of lower limbs and reduce the venous pressure. Most of those who have a family history of simple varicose veins develop soon after puberty, therefore, during childhood and adolescence, proper physical exercise should be carried out to strengthen the vein walls under the condition of strengthening the whole body. There is no doubt that varicose veins are harmful: 1. leg discomfort redness and swelling, edema, pain, veins raised on the surface of the skin, walking limp. 2.Rupture and bleeding Blood pooling in the veins and thinning of the blood vessel walls lead to rupture of the blood vessels and the appearance of old rotten legs. 3, ulcers erosion skin debris ulcers, ulcers do not heal old rotten leg, and even eventually cause amputation. 4, cardiopulmonary thrombosis formation of venous thrombosis, inducing sudden cerebral thrombosis infarction death. The treatment status of varicose veins is not optimistic: 1, drug treatment varicose veins: treat the symptoms but not the root cause, long-term use will also aggravate the disease, drug treatment varicose veins for general, early varicose veins symptoms have a relieving effect, not only can not cure, but also aggravate the disease. So, it is not recommended to use in the treatment of varicose veins. 2.Physical treatment of varicose veins: It is very destructive to human tissue cells and has drug resistance, so it is forbidden to use it. 3.Traditional surgery for varicose veins: Traditional surgery is mostly used for drug cautery method, electric coagulation method and cryotherapy method, which is invasive, bleeding and painful for patients. With the use of minimally invasive technology, this traditional surgery has been gradually discarded.