Multi-channel water outlet device and faucet

The multi-channel water outlet device comprises a valve body, a first valve element and a second valve element, the valve body is provided with at least two water supply channels, each water supply channel comprises a water inlet channel and a water outlet channel, and each water supply channel is provided with a water stop assembly for controlling connection and disconnection between the water inlet channel and the water outlet channel. The water stop assembly comprises a water stop pad and a back pressure cavity providing pressure for the water stop pad. The valve body is further provided with pressure relief channels communicated with the back pressure cavities respectively, the first valve element and the second valve element can control the pressure relief channels to be opened and closed respectively, and when the pressure relief channels are opened, the water stop pad controls the water inlet channel and the water outlet channel to be communicated. And the first valve element and the second valve eleme