Dengtu belongs to the common acute non-purulent inflammatory skin diseases, mainly caused by type B hemolytic streptococcus invasive infection, can cooperate with the doctor to choose the general treatment, topical medication, systemic medication, other treatments and other ways to relieve. 1. General treatment: patients should rest in bed and elevate the affected limbs to relieve lower limb edema. 2. Topical medication: patients can use magnesium sulfate or compound boric acid solution wet compresses, and topical mupirocin, fusidic acid cream anti-infection treatment. 3. Systemic medication: penicillin is the first choice for treatment of dengue disease, after 2-3 days of medication, the body temperature will return to normal, but still need to consolidate the medication to prevent recurrence of the disease, if necessary, can choose cephalosporin, erythromycin and other antibiotics for treatment. 4. Other treatments: patients can be treated with ultraviolet radiation, ultra-short wave, infrared and other treatments to improve symptoms. It is recommended that patients should cooperate with doctors to standardize the treatment to reduce the adverse effects of the disease after the diagnosis of dengue disease.