1, low temperature preservation: put the black rice leaves in the refrigerator below 10.

2, tin can preservation: dry the black rice leaves, and then put them into a sealed tin can for preservation.

3. Preservation in the fresh-keeping bag: Wash the black rice leaves, cook them in hot water, cool them and put them in the fresh-keeping bag.

4. Squeeze into juice: Squeeze the black rice into juice, pour it into a fresh-keeping box and cover it.