Indoor temperature adjusting mechanism, air conditioner indoor unit and air conditioner

The utility model provides an indoor temperature adjusting mechanism, an air conditioner indoor unit and an air conditioner, relates to the technical field of air conditioners, and solves the problem that in the prior art, indoor temperature distribution is not uniform after an air conditioner is started. The indoor temperature adjusting mechanism comprises a first air pipe and a second air pipe, wherein the first air pipe is provided with a first air outlet end and a first air inlet end; the first power source is located in the first air pipe and is close to the first air inlet end; when the indoor temperature adjusting mechanism is in the using state, the first air outlet end is located in the upper space, the first air inlet end is located in the middle space or the lower space, and the first power source is used for sucking air in the middle space and/or the lower space into the first air pipe and exhausting the air through the first air outlet end. Air in the upper space, the middle space and the lower s