The utility model discloses a water -based ink's quick -drying device, the both sides of conveyer belt are provided with stopper body, can prevent the excessive trouble that causes of printing ink, glass lamp tube is provided with the reflecting plate with shells inner wall's junction, can pass through the heat that glass lamp tube produced the natural convection transmission to improve drying efficiency, the junction of gas blow pipe and breathing pipe and casing is provided with the filter, has solved environmental pollution problem and the healthy problem of staff brought because of printing ink steam, and this water -based ink's quick -drying device has the advantage that drying efficiency is high, has wide market prospect.