Osborne checklist method is called the mother of innovative methods because it is widely used in the process of innovation and can help people think and solve problems. This method leads people to think and explore from different angles by asking a series of questions, thus stimulating the emergence of innovative thinking and creativity. The nine problems of Osborne's checklist method cover the key aspects that are common in the process of innovation, such as other uses, borrowing, changing, expanding, shrinking and replacing. By answering these questions, people can find new possibilities and solutions. The effectiveness of this method has been verified in practice, and it has been widely used in innovation activities in various fields. Therefore, it is correct that Osborne's checklist method is called the mother of innovative methods.