The invention discloses an ink-type dye of which the general formula is disclosed as (1). The invention also discloses a preparation method of the ink-type dye. The ink-type dye can be in a powdery solid state or a water-soluble liquid state, and can comprise some common assistants. The ink-type dye is especially suitable to be used as a raw material of an ink for writing tools, such as ball pens, fountain pens or ink-jet printers. The ink-type dye has the advantages of high color brightness and favorable fastness to light. The ink-type dye can be used for dyeing and printing on paper, wood, textile fiber materials, plastic film, aluminum foils or the like, and can also be used for dyeing and printing on silk products, wool products, synthetic polyamide fibers, polyurethane and cellulose fiber materials.