The invention discloses a domestic garbage permeability coefficient measuring device. The domestic garbage permeability coefficient measuring device comprises a pump system, a water supply system, a permeation system and a power system, wherein the pump system comprises a water pump, an air pump and a pressure transmitter; the water supply system comprises a water storage cabin and a pressure-resistant glass indication tube; the water storage cabin is connected with the pressure-resistant glass indication tube through the water pump, a three-way valve and a rubber hose; the permeation system mainly consists of a garbage compressing cabin body, a water permeable stone plate, a screw rod, a hand rotator, a rapid plug and a measuring cylinder; the power system consists of a power selection switch and a plurality of leads, and is used for controlling the switch-on and off of the pump. The domestic garbage permeability coefficient measuring device is mainly made of a PMMA (Polymethyl Methacrylate) material, has the characteristics of high visibility, open operation parameters, visibility, safety and no limitation on placement space, and conforms to an ergonomic design; a domestic garbage permeability coefficient can be measured under different void ratios by realizing a self-weight manner, an air pressure manner and a hydraulic manner by means of the deadweight of liquid in the pressure-resistant glass indication tube, pressure supplying of the air pump and pressure supplying of a hydraulic pump, and the demands of teaching experiments and scientific researches are met.