The invention discloses a rapid-humidification pure humidifier which comprises a box body (8), a water evaporation layer group (5), a low-noise fan (1), a heating drum (3), a low-discharge diving pump (2), a water pipe (4) and a water distribution device (6), wherein the low-discharge diving pump (2) is positioned in a water box arranged on the bottom of the box body (8), and the water distribution device (6) is positioned on a position at the upper part of the box body (8), approaching to the top end of the box body (8). The pure humidifier provided by the invention can rapidly humidify environmental air, can realize pure humidification in real meaning, has the characteristics of large humidification quantity and notable humidification effect, and is named as an ideal healthy humidification manner.