G6PD deficiency is a hemolytic anemia caused by G6PD deficiency, and there are five clinical types of G6PD deficiency, namely, unprovoked hemolytic anemia, serum sickness, drug-induced hemolytic anemia, infection-induced hemolytic anemia, and neonatal jaundice. G6PD deficiency is a dominant genetic disorder with a high incidence worldwide. The pathogenesis is mainly due to the inability of red blood cells to form sufficient reducing substances when G6PD is deficient, and once the red blood cells are destroyed by the action of oxidizing agents and other agents, hemolysis occurs.