The dialogic joke of Korean family novelwhich are performed in daily dialogue of stepmother, aunt, brotherhood and sisterhood, intimate friend etc., are deviated from the linear track of novel`s event and situation. It is lacked of temporal tension, and is formed of a sort of spatiality ironically. This discourse space has an important meaning in the discourse situation of vertical analogy by temporality that contribute to the plot of family novel for the most part. The discourse of vertical analogy by temporality tends to produce confucian ideology, ideal solemnity, historical determinism, confucian dogmatism, and espicially the protection and enhancement of patriarchal system. But the spatiality formed of the dialogic joke of family novel is a deviation from such temporality. It is a question and doubt about the confucian ideology and patriarchal system. That spatiality breaks with historical determinism and fatalism attached to temporality. It raises a question contingency against inevitability, uncertainty against certainty, circumference against centricity, flexibility against rigidity etc. These are fictional virtues of the spatiality of dialogic joke of Korean family novel.