The invention discloses a preparation technology of a natural stone texture imitated tile having ink-jet printing patterns. The preparation technology comprises the following steps: (1) at least two kinds of slurry in different colors and at least one kind of ink are prepared, and are added to different slurry spraying units of a slurry spraying device correspondingly; (2) the at least two kinds of slurry in different colors are sprayed to a premixing platform inclined downwards and thus a first slurry layer is formed, and then the at least one kind of ink is subjected to ink-jet printing on the first slurry layer and thus a second slurry layer having the ink-jet printing patterns is obtained; (3) the second slurry layer flows to a raw tile by the inclination action of the premixing platform, and a pattern layer is formed; and (4) the raw tile obtained in the step (3) is sintered in a kiln and the natural stone texture imitated tile having the ink-jet printing patterns is obtained. According to the preparation technology of the natural stone texture imitated tile having the ink-jet printing patterns, the formed printing patterns are naturally combined with natural stone texture imitated patterns, and the formed decorative patterns are richer and more natural.