There is no such thing as the best clinical treatment for phlebitis after infusion. When phlebitis occurs after infusion, infusion should be stopped immediately, and it can be handled by general treatment, drug treatment and surgical treatment. 1. General treatment: replace the infusion set and vein, during the acute period of phlebitis, pay attention to bed rest and elevate the affected limbs, which is helpful to reduce the inflammation and edema caused by phlebitis, and can promote the absorption of inflammation through local hot compresses or wet compresses with magnesium sulfate solution. 2. Medication: Usually the combination of internal and external treatment can be used, such as local use of Mucopolysaccharides Polysulfate Cream, Sodium Saponin Compound Sodium Saponin Gel, and other medicines. You need to take Troxerutin tablets, Diosmin tablets, Ibuprofen and other medicines to reduce swelling and relieve pain. 3. Surgical treatment: If the vein inflammation subsides and the pain of the hard lumps appears, surgical excision treatment should be considered. If thrombophlebitis occurs in varicose veins of the lower limbs, surgical treatment should be performed when the inflammation subsides. Phlebitis occurs during infusion, you need to choose the appropriate way of treatment under the guidance of the doctor, so as not to increase the severity of the disease.