Mercury is the prince of the planets, it is the factor of knowledge, intelligence, discretion and education. Leo is the fifth sign of the zodiac. This is the friendly sign of Mercury in birth chart. Due to the placement of Mercury in this zodiac, the person becomes big thinking, very intelligent and intelligent. Such a person is stubborn and determined. His attitude remains stable. Such a person gets angry very quickly. Such people are of sattvik intellect. They can easily understand complex topics. They can do studies related to medicine, politics, medicine etc. He is the owner of a sharp and sattvik intellect. Such people have a deep interest in spirituality.