The thermoelectric properties of ZnSb thin film prepared by screen printing technique are investigated, aiming to achieve a low-cost and eco-friendly thermoelectric power generator module. The printed ZnSb thin film, annealed at 580°C in a furnace tube achieves a power factor of 1.06mW/mK2 and a Seebeck coefficient of 109μV/K. The output power density is 0.22mW/cm2 at ΔT=70K. The feasibility of a flexible thermoelectric module using the screen printing technique is also demonstrated.