From July 7 to 9, Professor Chen Ping, the head of the Institute of Allergy and Infectious Diseases of NIH paid a visit. He first visited the department of basic experiment and the department of clinical experiment and then had an in-depth discussion on the cooperation research plan of allergic diseases with Academician Zhong Nanshan, director of the SKLRD, deputy director Chen Rongchang and each PI of the Laboratory. Professor Chen spoke highly of the research achievements made by the Laboratory in recent years and hoped that the NIH of America could have deeper scientific research cooperation with the Laboratory in the field of immunotherapy.