The most troublesome thing that many people will encounter when writing a script is: the draft, outline, and text cannot be read and written at the same time, you have to read and write separately. Even if you put several software side by side on a large monitor, their content cannot be automatically matched, so you have to manually drag the progress bar back and forth. Although some script software provides a simple outline function, most of them are too simple, and cannot be used as a draft, especially for complex drafts. And you need to switch the display back and forth, you can't view and use it at the same time.

Save the Cat! is a best-selling film scriptwriting bible written by Blake Snyder. It takes a way that novices and supporters are able to understand and put into practice, deftly cites various successful film cases (Miss Congeniality, Die Hard, Legally Blonde, Signs, and so on) used by the executives of many film companies, unveils the mysterious veil of film, and positively explains film's type, plot, structure, market, actor selection, and other details. As a result, this book is considered a guide to the secret language used by every film company executive and producer in Hollywood.