Injection preparation containing camptothecin analogue, and injection, preparation and application thereof

The invention relates to an injection preparation containing camptothecin analogue, and the injection, the preparation and the application thereof. The injection preparation comprises a solid part and a liquid part which are separately and independently packaged, wherein the solid part adopts a freeze-dried powder; the freeze-dried powder comprises an active component and one or more pharmaceutically acceptable excipients; the active component adopts the camptothecin analogue or pharmaceutically acceptable salt; the liquid part at least comprises the following components: a solubilizer and water for injection; the camptothecin analogue has the structure as shown in the specification.