According to 2% to 3% of the weight of distiller's yeast. Angel sweet distiller's yeast refers to rice wine yeast, also known as sweet distiller's yeast and fermented grains. It is the main starter, in which sucrose needs to be added according to 2% to 3% of the weight of distiller's yeast for activation. At the same time, attention should be paid to temperature and stirring evenly during the process of adding sugar to avoid affecting the activation effect of distiller's yeast.