Dinitrofluorobenzene (DNFB) was used to induce mice delayed type hypersensitivity (DTH, delayed hypersensitivity) response and ear swelling was used as an evaluating indicator.

• 用DNFB诱导小鼠迟发型超敏反应(DTH),小鼠耳肿胀作为DTH反应指标;