Medicinal composition containing temsirolimus and preparation method of medicinal composition

The invention relates to a medicinal composition containing temsirolimus and a preparation method of the medicinal composition. Polyethylene glycol stearate 15 as latent solvent is added in a formula, so that the problem of settlement generated by clinically using physiological saline to dilute a temsirolimus freeze-dried powder injection is effectively solved, further the content of an isomer of the temsirolimus and the content of oxidative degradation impurities are reduced and the stability and the safety of the medicament are improved. The freeze-dried medicinal composition disclosed by the invention is simple in preparation process and low in production cost and is suitable for industrial production.