1. It takes about 8 hours to soak the leaves wrapped in zongzi. Under normal circumstances, the leaves wrapped in zongzi should be soaked in water in advance, which will be softer and more convenient to wrap zongzi. Generally, it is soaked for one night, about 8 hours.

2. You can use cold water or hot water for rice dumplings. Because the bought zongzi leaves are dry and brittle, they need to be soaked and cleaned with water, so that not only the zongzi leaves become tough but also clean. After washing the dried zongzi leaves, it is best to soak them in cold water for 8 hours, or scald them with boiling water for more than half an hour before they become soft. Dry zongzi leaves also need to be soaked in clear water for one night, brushed with a brush the next day and steamed for half an hour for sterilization.