The invention relates to a flexible simulation inks milling machine under dynamic pressure, which is composed of a mechanical portion driven by a motor and an electrical control portion using a main control circuit of a single chip computer as main body, wherein the mechanical portion is mainly composed of a rotatable guide spindle upright post (4), a seat of the guide spindle upright post (10), a augmented spring (3), a return spring (7), a tubular augmented bolt (1), a gate type beam (5) with a guide sleeve, or a sleeve seat of a rotatable motor with single back and a totatable beam (36), an ink-stone (8), an upper plate (11), a lower soleplate (13), a motor (22), a case (31), an ink sucking pump (24), an ink sucking pipe and the like, the single chip computer stores, calculates and controls the program data provided by each functional unit circuit of a main control panel, multiway switch power provides each functional unit circuit and the motor ink sucking pump with working voltage, preset program instructions for motor operation are executed by keys arranged on a keyboard with a liquid crystal display which complete display of instruction execution, an electrical pressure luminous beacon with independent power supply can indicate the selected pressure section with luminance in different colors. The invention achieves multiplication effect of ink-stone milling benefit, consumes a bit of ink-stone, completes and ensures reliable operation of flexible return of balance state of dynamic pressure, achieves aim of simulation, which saves time, increases benefit and is convenient and practical.