After writing a movie script, one should first consider how to turn it into a viable movie. This might require more modifications and polishing to ensure the quality and feasibility of the script. Next, he could consider submitting to a film production company or an independent producer. You can submit through the online platform or by mail. When submitting the manuscript, one had to provide detailed information about the script, including the name of the script, the name of the author, contact information, the main body of the script, and the closing paragraph. You can also consider posting your work on a forum related to screenplays and sharing ideas with other screenwriters and film producers. These forums usually provide submission guidelines and support to help find the right platform and get more feedback and suggestions. No matter which method was chosen, the quality and feasibility of the script had to be ensured, and it had to be prepared as much as possible to deal with possible problems and challenges during the submission process.