This research aims to describe language politeness in the dialogue of the film Habibie and Ainun, and develop research results on language politeness in the film Habibie and Ainun as a module in Indonesian language learning in high school. The research method was carried out in two stages, the first stage used a qualitative descriptive method and the second stage the research and development (R&D) method. The research objects used in this research are all the character dialogues in the film Habibie and Ainun by Ginatri S. Noer and Ifan Adriansyah. The data collection techniques used in this research were free listening and note-taking techniques. The data analysis technique in this research uses heuristic analysis techniques. In the development method there are techniques used, namely development procedures, research instruments, research subjects and development data analysis. The research instrument used in this study uses an assessment questionnaire which is filled out by placing a tick (√) for material experts, media experts, colleagues/practitioners, teachers and students. The results of this research include compliance with politeness maxims, violations of politeness maxims, and politeness. direct speech acts, politeness in indirect speech acts from the film Habibie and Ainun, as well as research development as a module in learning Indonesian in High School. In the dialogue between the film characters Habibie and Ainun, the most frequently used expression of politeness is the expression of thanks. Politeness in the form of indirect speech, which includes expressions of orders, invitations, requests, requests and prohibitions. The most widely used indirect speech politeness is request. The development stage of this negotiation text module begins with the preparation of the initial product. After going through various stages of development, the researchers produced the module "Negotiating Politely in Everyday Life" for class X high school students (phase E). The results of the feasibility test by experts in terms of content, language, presentation and graphics received a percentage score of more than 80% in the very good category. Product trial results were obtained using peer/practitioner testing, limited field testing, trial results, followed by extensive field trials which obtained a percentage of more than 80% in the very feasible category and several improvements were still made as a form of evaluation at each stage of the trial. product. Thus, the module "Negotiating Politely in Everyday Life" is very suitable for use as teaching material for class X (phase E) High School students. Keywords: politeness, language, movies dialogue, learning module