The department of Pediatric in Sun Yat-Sen Memorial Hospital was established in 1934, which is the first department of Pediatric in Guangdong Province. It was the first base for Pediatric master and doctoral education. Recently, our department has been awarded as a key clinical specialty of Guangdong Province. There are several specialized subjects in our departments, including hematology, oncology, hematopoietic stem cell transplantation, neuroendocrine, respiratory, rheumatism immunology, neonatal and pediatric intensive care. The specialized subjects of hematology, oncology, respiratory, rheumatism immunology, neonatal and pediatric intensive care are located in North Hospital, while the other specialized subjects located in the South Hospital. Notably, the specialty of pediatric hematology in our department has been awarded as a national key clinical specialty. Our department has over 200 staff numbers, including clinical doctors and nurses. There are 11 employees with senior professional titles and 13 with deputy senior professional titles in total, as well as 4 PhD supervisors and 16 master supervisors. Lots of prestigious Pediatric experts worked in our departments. Our department has got rapid development due to the devotion of many famous Pediatric experts such as Zhong Shifan, Huang Shaoliang and Fang Jianpei.