The present invention pertains to a liquid application device (1, 100) that is used in the production of absorbent articles and applies a liquid with a viscosity between 0.05-4 Pa-s to a continuously transported web (3). The liquid application device (1, 100) is provided with: a tank (11) holding a liquid； a liquid application nozzle (13) that applies the liquid to one surface (3ff) of the web (3)； a pump (17) that supplies the liquid inside the tank to the liquid application nozzle (13) through a tube (15)； and a suction device (5, 105) having a surface (5f, 105f) that faces the other surface (3fs) of the web (3). The surface (5f, 105f) of the suction device (5, 105) at least includes a suction area (AS) that suctions in the web (3).
