Drawing Thangka, is nothing more than to educate the public and to promote Buddhism, or as a personal spiritual purposes, the selection of the Buddha and Bunsen legend to illustrate the teachings of religion, such as the birth of Sakyamuni, as, early Nirvana and Zhuan Story. Tantric convey moral principles of the five parties are mainly Buddhist, by images to convey the teachings of the symbolic meaning. In addition, the Buddha, Rohan, King Kong, law enforcement and the Tibetan saints and historical figures are also common themes, such as the Lien-Hua Sheng masters, and all previous master Tsongkhapa Lama's portrait.

In addition to the categories of religion, there are medicine, astronomy, calendar of the subject matter.