No. After checking the restaurant network shows that the defrost button of the fried yogurt machine is used to remove the frost in the freezer, so that the environment for making yogurt is cleaner and more hygienic. Normally, the defrost button on a yogurt maker should not be left on all the time because it will lead to an increase in the energy consumption of the machine, and it will also accelerate the temperature in the freezer, which will affect the effect of yogurt making. The defrost button on the yogurt maker should be turned off after each use and does not need to be left on all the time.