Lemon: It is rich in vitamin C, which can resist bacteria and improve immunity. Citric acid can prevent and eliminate skin pigmentation. Traditional Chinese medicine believes that lemon is warm, bitter and nontoxic, and has the effects of quenching thirst, promoting salivation, improving eyesight and refreshing, so it is a good Chinese medicine for improving eyesight.

Chrysanthemum morifolium: It is sweet in nature and cold in taste, and has the effects of dispelling wind and clearing heat, calming the liver and improving eyesight. "It has a good effect on treating eye fatigue and blurred vision. Applying it to the eyes can eliminate edema. Soaking chrysanthemum tea can make the symptoms of eye fatigue fade and help restore vision. Chrysanthemum tea can make people clear-headed and bright-eyed, especially for dry eye caused by excessive use of eyes.

The dosage is: 5-8 chrysanthemums, 3-4 slices of fresh lemon (fresh lemon is the best, and the citric acid content of dried lemon is not much), and it can be brewed in a large pot. You can also add rock sugar to taste better.