It is a key and complex technique that tailors the organization's standard softw are p rocess to get the defined software process fitting the specific characteristics of the project. The organization's standard software process was discussed. The pr ocess tailoring was discussed. Four aspects impacting on process tailoring were analyzed. A checklist-based process tailoring method(CPTM)was presented. The p rocedures of process tailing using CPTM were described. An application case of t he CPTM was introduced. It proves that the process tailoring can be conducted sm oothly with CPTM and the investment for software organizations can be reduced gr eatly in process tailoring.