Humidification system and air conditioner

The utility model belongs to the technical field of air conditioners, and particularly relates to a humidifying system and an air conditioner. The utility model aims to solve the problem that the humidifying system of the existing wall-mounted air conditioner is difficult to replenish water. The humidifying system comprises a connecting pipe, a water storage tank, a humidifying module and a control module, the connecting pipe comprises a first pipe section, a second pipe section and a third pipe section which are communicated with one another, the first pipe section is used for being communicated with a condensate water outlet of an air conditioner, the second pipe section is used for being communicated with the external environment, and the third pipe section is communicated with a water inlet of the water storage tank. A water outlet of the water storage tank is communicated with the humidifying module; a valve is arranged in the third pipe section, and the control module is electrically connected with the