With the development of communication technology, the internet can quickly transfer the iconic signs around the world. The result of ”Jasmine Revolution” in Tunisia and Egypt make people have a new recognition to the catalytic power of symbols. Never before has popular protest brought down an authoritarian regime in the Arab world. And never had anyone anticipated the speed with such deeply entrenched regimes might be overthrown. In addition to explore the revolutionary background factors between the two countries, this article has more in-depth analysis of the symbolic use to be an revolution trigger, as well as network catalysis resulting in the rapid spread of iconic signs, the revolutionary consciousness of majority were agglomerated successfully and then overthrow the dictatorial regime. Jasmine Revolution in Tunisia and Egypt raised a contagious wave of revolution might soon usher in democratic transition throughout the Middle East.