I. Introduction

　　At present, our hospital can carry out a total of 8 restricted technologies，They were allogeneic hematopoietic stem cell transplantation, allocorneal transplantation, gender reassignment, radioactive particle implantation therapy, tumor ablation therapy, artificial intelligence assisted therapy, extracorporeal membrane oxygenation (ECMO), and autologous organ transplantation。

　　Second, the development of various technologies

　　A total of 2692 cases of restricted technologies were carried out from January 2023 to December 2023，Among them, 48 patients with allogeneic hematopoietic stem cell transplantation were hospitalized for an average of 39 days，Mortality rate 2 per cent;Gender reassignment technique: a case study，Hospital stay 22 days，Mortality rate 0 per cent;522 cases were treated with radioactive particle implantation, and the average hospital stay was 6 days，Mortality rate 0 per cent;In 1215 cases, the average hospital stay was 3 days，Mortality rate 0 per cent;Ai-assisted therapy was used in 804 cases, with an average hospital stay of 11 days，Mortality rate 0 per cent;Extracorporeal membrane oxygenation (ECMO) technique was used in 102 patients with an average hospital stay of 16 days，The mortality rate is 46%.。