There is provided a water purifier in which a display portion can obtain a higher waterproof property and the workability in manufacturing of the display portion can be improved. In a water purifier which includes a display portion (10) displaying announcement information, the display portion (10) includes an indicator (24), a circuit board (22) to which a control circuit controlling the indicator (24) is attached, and a case (26) which accommodates the indicator (24) and the circuit board (22), the case (26) includes a case main body (27) which has a cylindrical shape having opening portions at both ends thereof and is made of a transparent material, and a lid body (28) which liquid-tightly closes a first opening portion (27a) of the case main body, and a second opening portion (27b) of the case main body (27) is sealed by a resin (25).