To provide an ink supply controller which can give instructions so that a desired new ink profile is realized instantaneously while checking the present value of an ink profile.

In this ink supply controller of a sheet printing machine, a substrate (1) with a bar graph part (2) which displays an ink supply per ink zone division; a touch panel (4) with permeability covering the substrate (1); and a control means (15) which sends a control signal to an inking device (16) in compliance with coordinates for depression positions to the touch panel (4) are provided.