The respected writer, in this essay, tries to show the firm and Qur’anic stems of "Mahdism" in the holy Qur’an (some of the verses of Qur’an which are related to the subject of Mahdism, are discussed in this article). According to the writer, these verses are titled as "the secondary verses". In other words, these traditions that attribute the verses to the subject of Mahdism in the shia collections, are narrated from the Sunni refernces (Part I). And other verses that their corresponding traditions to Mahdism subject in the Sunni collections, are narrated from the Shia sources (Part II). the latter part, part II, has found subdivision: A. Interpretation of the words of the verse(s);B. Interpretation of the implication of the verse (s);C. To choose the applicable verses;D. parables and testimonial cases and verses;In this article 36 Quranic verses, and 74 traditions are brought. The standard and reasons of selection has been explained in the similar article, in our previous issue (No. 10)