The ointments that can be applied to erythema nodosum include the following: 1. Glucocorticoid drugs, which can have immunosuppressive and anti-inflammatory therapeutic effects, including hydrocortisone butyrate ointment, dinaide cream, fluticasone propionate cream or halometasone cream. 2. Ointments with immunomodulatory effects, such as tretinoin ointment. 3. Ointments with anti-inflammatory and antibacterial effects, such as fusidic acid cream, clindamycin 4. Chinese herbal ointments for clearing fire and detoxification, including dampicol ointment, compound snake fat ointment, dragon pearl ointment or Qingpeng ointment. 5. Non-steroidal anti-inflammatory ointments, including butyl flufenamic acid ointment, butyl hydroxy acid ointment, ethoxymethoxylate ointment. In addition to the above ointments, erythema nodosum can also choose acupuncture to complement the treatment.