Aerosol generating device, aerosol generating system and electronic cigarette

The utility model provides an aerial fog generating device, an aerial fog generating system and an electronic cigarette. The liquid storage device internally comprises at least one capillary channel and at least one liquid outlet, the capillary channel is non-direct and/or directly communicated, the direct communication means that a channel between the upper port and the lower port of the capillary channel is a straight line, and the non-direct communication means that a channel between the upper port and the lower port of the capillary channel is a non-straight line; the capillary pipeline isused for storing and conducting liquid, and the liquid outlet is a port of the capillary pipeline; the heating part is arranged at at least one liquid outlet of the liquid storage device and used forheating liquid flowing out of the liquid outlet and generating aerosol. The liquid storage device provided by the utility model realizes the function of integrating liquid storage and liquid guide, and is simple in structure,