In-cabin temperature control method and system and electric automobile

The invention provides an in-cabin temperature control method and system and an electric vehicle. The temperature control method comprises the steps that the first sensible temperature of a user located outside a cabin is read; determining a first target adjusting temperature of the air conditioner according to the first sensible temperature; the cabin temperature is read, output parameters of an air conditioner are determined according to the first target adjusting temperature and the cabin temperature so that the cabin can be rapidly heated or cooled, and the output parameters comprise the temperature and the air volume; and reading a second sensible temperature of the user in the cabin, and controlling the temperature in the cabin to enable the second sensible temperature to be constant at a second target adjusting temperature. Meanwhile, the sensible temperature of the user is at the second target adjusting temperature in the constant temperature control stage in the cabin, repeated adjustment is avoided,