1. Wash ginger, peel it, cut it into large pieces, put it in a soup pot, add water until the ginger slices are about 3 cm, boil it with strong fire, and then simmer for half an hour;
2. Ginger slices are fragrant. After the soup turns yellow, add chrysanthemum and continue to cook on low heat for 10 minute until chrysanthemum is fragrant. Turn off the fire and let the soup cool naturally;
3. Finally, add honey into the pot and stir well. It becomes chrysanthemum and ginger honey after cooling. You can filter the residue in the pot according to your own needs. Put selenium-enriched honey ginger tea into a cup, brew a certain amount of water, and drink it directly after stirring.