The article contains a theoretical study, reflecting the importance of drawing for future architects and interior designers in their professional career, a key to success. The analysis of our research and observations proves that a good architect or an interior designer is also an excellent draftsman to convince his beneficiaries through the proposed concept ideas. The study carried out demonstrates with certainty the importance of the study of drawing and the impact on the development of the imagination and creativity of future specialists: architects and interior designers, by developing the skills of perceiving proportions and forms in closed and open spaces, etc. The findings of this study demonstrate the positive impact of drawing in the professional training of future architects and interior designers to observe, research the environment, perceive, to possess principles and methods of representation of the volumes of the surrounding world through various artistic means and graphic techniques of rapid representation of a sketch drawing to the beneficiary's conviction.