Way to Scrum Master

1. TDD [ How to perform UT in an existing system,how to mock ]. 2. System auto test [ construct quickly ] 3. Refactoring. 4. Excellent measurement skill. 5. Design Principles,Patterns. 6. Process,[ time,input,output,releated roles ] 7. Story splict,story plan. 8. Visuable managent. 9. Find out the foundation work,top headaches. 10. Human resource plan.