'Rosemary plant' increases learning and perception capacity and significantly improves memory ability. The aroma of rosemary, which affects brain performances positively, is one of the fragrances that strengthen memory. The rosemary smell, which has a sharp and shabby style, is appetizing and acts as an antidepressant for the body, and is also particularly beneficial to those who cannot sleep, because of its refreshing and stimulating effect. It keeps the mind awake, sharpens the memory, takes the pain of the bond, relieves the mental fatigue. Rosemary essential oil strengthens both short-term and long-term memory. In a study conducted at Northumbria University in Newcastle, people whose memory characteristics were tested were placed in two separate rooms. Rosemary oil in one room and normal perfumes in the other room. As a result of the evaluation, it was determined that the rosemary essence increased the learning capacity and increased the memory by 60-70%.Therefore, rosemary essence has very serious positive effects on learning. It is also another effect that the it has developing and emerging effects on the sense of love.