1. To clear the liver and improve eyesight, it is recommended to drink chrysanthemum, cassia seed, and green tea. Cassia seed has the functions of clearing away liver heat, clearing liver and improving eyesight, and moistening intestines and laxative. It is used for liver heat or wind-heat caused by liver meridian. Red, swollen and painful eyes, watery eyes, red eyes with excessive mucus, that is, more eye stains, are symptoms of liver heat. It can also be used for constipation due to heat knots or constipation caused by intestinal dryness, which is constipation caused by too little fluid in the intestines. These can be used to boil water to drink.

2. In addition, Cassia seed also has the effect of lowering cholesterol and lowering blood pressure, and has certain benefits in preventing and treating vascular sclerosis. Chrysanthemum can clear away wind and heat, detoxify and improve eyesight. It has a certain therapeutic effect on redness, swelling and pain in the eyes caused by wind-heat in the liver meridian or excessive liver fire. Green tea can also cleanse the liver, improve eyesight, and be a diuretic, so these three can be used together or alone.