1, to control the surface of the icing sugar gourd that layer of sugar for a long time does not absorb moisture melting.

2, control the proportion of white sugar and reducing sugar, mainly add citric acid, can also add some salt.

3, try to get dry, the best plastic bag sealed preservation.

4, first put the sugar in the pot, then add clean water, add water to soak the sugar as appropriate, and then add heat while stirring, to be all boiling sugar in the pot, then stop stirring, continue to heat over low heat.