Perkembangan teknologi yang sangat pesat di Indonesia membuat PT Totalfire Indonesia harus dapat beradaptasi untuk dapat bersaing dengan kompetitor. Karena itu, PT Totalfire Indonesia mulai menggunakan digital marketing sebagai media promosi dengan memanfaatkan marketing komunikasi dan penerapan copywriting, agar dapat menciptakan tulisan yang sesuai dan dapat menjadi daya tarik bagi target market. PT Totalfire Indonesia merupakan perusahaan proteksi kebakaran di Indonesia. Pemagang melaksanakan kegiatan magang selama 4 bulan, bertempat di PT Totalfire Indonesia sebagai Marketing staff divisi Digital Marketing. Pemagang fokus membahas mengenai prinsip copywriting yang dilakukan oleh PT Totalfire Indonesia. PT Totalfire Indonesia telah memanfaatkan prinsip copywriting dengan menerapkan 6 dari 13 jenis copywriting dan juga telah menggunakan 4 dari 6 prinsip dasar copywriting. Pemagang telah berhasil mempelajari dan melakukan prinsip Copywriting yang telah dilakukan oleh PT Totalfire Indonesia dari konsep yang ada menurut Ariyadi. / Rapid technological developments in Indonesia make PT Totalfire Indonesia must be able to adapt to be able to compete with competitors. Therefore, PT Totalfire Indonesia began using digital marketing as a promotional medium by utilizing marketing communications and copywriting applications, in order to create writing that was in line with the target market and could be an attraction for the target market PT Totalfire Indonesia is a fire protection company in Indonesia. The intern carried out internship activities for 4 months, located at PT Totalfire Indonesia as the Marketing staff of the Digital Marketing division. The intern focused on discussing the principles of copywriting carried out by PT Totalfire Indonesia. PT Totalfire Indonesia has utilized the copywriting principle by applying 6 of 13 types of copywriting and also used 4 of the 6 basic principles of copywriting. The intern has succeeded in learning and carrying out the copywriting principle thas has been carried out by PT Totalfire Indonesia from existing concepts according to Ariyadi.