Eczema does not usually recur during the incubation period of AIDS. AIDS is mainly caused by human immunodeficiency virus infection, in the incubation period of AIDS patients usually do not appear obvious clinical symptoms, a few patients may appear persistent lymph node swelling, mainly due to the incubation period of patients in the body of HIV in the continuous reproduction and invasion of the cause, but usually do not recur eczema symptoms. Because of the relatively long incubation period of HIV, it is recommended that patients who have had high-risk sexual behavior or who are at high risk of HIV infection should seek timely medical checkups and interventions in order to avoid delaying their condition.