Phlebitis (full name thrombophlebitis) is an acute aseptic inflammation of the venous vessels, which can be divided into superficial phlebitis and deep phlebitis depending on the site of the lesion. A few patients may have fever, increased total white blood cell count, etc. Patients often complain of painful swelling. There are many causes of venous thrombosis, such as trauma, surgery, pregnancy, childbirth, heart disease, malignant tumor, oral contraceptive pills and long-term standing, squatting, sitting, lying, etc. The more common is that the disease is triggered after surgery. What are the symptoms of phlebitis? Phlebitis can occur in different parts of the body, but it is more common in the lower extremities and less common in the upper extremities and chest and abdomen. Phlebitis can be divided into superficial phlebitis and deep phlebitis. Superficial phlebitis can be seen as redness, swelling, heat and pain in the limbs, and when the redness, swelling, heat and pain fades, brown streaks can be seen locally. The limbs may be sore and swollen. In the acute stage, there can be fever, general discomfort, etc. Deep phlebitis is mainly in the affected limb, swelling, pain, pain, intensified when walking, relieved after rest, the body is accompanied by heavy numbness, pale skin or cyanosis, burning, bruises are revealed, etc. Second, phlebitis should be how to treat General people think that phlebitis is inflammation, as long as some anti-inflammatory drugs can be, the disease in the acute stage, the limb redness and swelling hot pain, with anti-inflammatory drugs limb redness and swelling certainly subside, redness and swelling hot pain can be reduced, but after easy to relapse, the reason is that the disease is not simply inflammation, mainly due to poor venous blood flow back, venous thrombosis and caused by. Therefore, the treatment should be based on blood vessel opening, after the blood vessel is opened, the swelling and pain of the limb will disappear naturally, and it is not easy to relapse. The effect of detoxification and stasis pills treatment is better, can pass blood vessels, but also anti-inflammatory, quick results, and not easy to relapse after recovery. Third, the prevention of phlebitis 1, postoperative or long-term bedridden patients, can be padded lower limbs in bed, or do lower limb activities in bed, or early out of bed to promote blood circulation in the lower limbs. 2, patients after phlebitis can use elastic stockings or elastic bandages to promote blood return to the lower limbs. 3, it is advisable to eat light, low salt, easy to digest food, avoid spicy alcoholic beverages, etc., careful to eat raw and cold fish and seafood.