The utility model discloses a portable vapour -pressure type slip casting device, including mud storage tank, the mud storage tank top is equipped with the feed inlet, and well upper portion is equipped with the air -supply line, and the bottom is equipped with the high -pressure slip casting hose that is used for row thick liquid, and the cover is equipped with and only starches the thrust ring on the discharge gate of high -pressure slip casting hose, and the discharge end of high -pressure slip casting hose inserts in the anchor rod hole. The utility model provides a difficult problem of anchor rod grout plumpness control, improved stock construction quality greatly, also for the operation in tunnel provides favorable safety guarantee, just have characteristics such as easy operation, economic nature is good, the suitability is good simultaneously.