Skin ulcers due to phlebitis can be relieved by wound cleaning, medication and physiotherapy. 1. Wound cleaning: phlebitis is a common inflammation of blood vessels, mainly manifested as redness, swelling, pain, poor blood circulation, and in severe cases, it will lead to skin ulceration, firstly, the affected limbs should be elevated correctly, so that the venous return, and then the wound should be cleaned and local bandage should be applied. 2. medication: commonly used topical drugs are silver sulfadiazine ointment, magnesium sulfate, and also can follow the doctor’s instructions to enter the vein penicillin anti-inflammatory treatment to reduce the symptoms of phlebitis. 3. Physical therapy: Infrared radiation, for example, is a kind of physical therapy. Infrared radiation can improve the blood circulation of the body, improve the metabolism of the body, and can improve the absorption of inflammatory substances by the body and promote the healing of the wound. In case of skin ulcers caused by phlebitis, early and standardized treatment is recommended to reduce the adverse effects of the disease.