Takes the theories of Sociology of Art as the basis, this study probes into the political propaganda in lower grades text book’s illustrations of the primary schools through out 1950 to 2001. Also determines the relationships between illustrations and by which the political propaganda are conveyed in different period of time through Literature Investigation methods. The study can reveals that, the key characteristics and the main political message of the textbook propaganda in between 1950-2001 as follows: 1. --" Promoting anti-communist, and anti Russia spirit": the earlier versions (textbooks of 1957) in Taiwan, featured bloody scenes to demonstrate the wickedness and the cruelty of the communists 2. --"Promoting donations for national armament": The textbook versions in 1950, 1957, and 1966 incorporated graphs of children waving money, donation boxes, and military equipment to signifying the vivid message of "donating to your Country". 3. --To promote "the spirit of guarding and defending of home country": The early versions textbooks of 1950, 1957, and 1966 marked the implications of wars, the illustrators sends the messages of defending the country by graphs of battlefield, and child soldiers. The later versions of 1968, 1977, 1983, and 1994, then, featured less battlefield atmosphere as the tension between China and Taiwan was eases. 4. --to "worship the political leaders": the illustrators had taken the life story of Ching Kai-shek as the theme to promote the leader’s images. 5 --to "worship the national flag": the national flag was promoted by graphs of enlarged size of colored graph of the national flag at the top of the printed sheets. And taught pupils the standard way to pay tributes, and salutation to the flag 6. --to "promote the festivity of the national days", versions in all periods take the national flags, and the double cross totem as the representation of the data. Yet, distinguished messages are differed by the period of times. For instance, versions in 1957 and 1966 were signifying solemn and robust anti-communist messages. The mid-term versions such as 1968, 1978, and 1983 featured photographs of military armament, and the image of wealthy state of the nations. The recent versions such as in 1994, 1995, and 2001, then featured the festivity activities, and joyfulness of the celebrations. The usage of military images and the political propaganda have been largely reduced. 7. --To "promote the preference of the domestic productions": the illustrators were stressing the vivid slogans in the graphs, such as "upgrading the industry, and the preference of the domestic productions "to signified the message, literally.