The spleen can be removed in half, but a full resection can also be done, depending on the circumstances. In the past, spleen surgery was basically a total resection. Since the spleen itself is brittle and tends to bleed excessively after partial resection, most spleen surgeries can be performed with a total resection. However, total resection can sometimes lead to a series of problems, such as thromboembolism due to elevated platelets. For children under 4 years of age, splenectomy is prone to secondary infections. Splenic slice transplantation or partial splenectomy is recommended, but the indications should be strictly controlled. In the case of traumatic splenic rupture, partial splenectomy can be considered if the spleen is not pathologically altered and still has appropriate function. However, if the bleeding of traumatic splenic rupture is high, the splenic bleeding should be controlled as early as possible, and it will be simpler to perform total splenectomy at this time. For hematologic disorders, total splenectomy is required. If part of the spleen is left behind, the residual spleen may become larger over time and affect health.