The Rock Painting monuments found on the territory of Mongolia and survived to date from the early iron age bring us the message of our ancestors who lived 5000-3000 years ago. The monuments allow us to read ancient history of Mongolia. The capable depiction of Horse-Cart, Ox-Cart attract the attention of researchers even today. While the earliest Rock Paintings depict wild beasts and birds, with the passage of time the ability of depicting gets improved, the paintings shows people’s life to a greater extent alongside with beasts. These works illustrate hunting scenes, sowing of crops, domestication of animals, ox-cart carriage, and even the intimate relations of men and woman.