Hawthorn, wolfberry and cassia together can be used to tonify the liver and kidney, clear the liver and improve eyesight (to remove liver fire to promote vision recovery), and eliminate food. 1. Hawthorn: an antinausea medicine, slightly warm in nature, sour and sweet in flavor. It belongs to the spleen, stomach and liver meridians. It has the effects of eliminating food and strengthening the stomach (promoting food digestion and strengthening the functions of the stomach and internal organs), and promoting circulation of Qi and dispersing blood stasis. It is used in the treatment of meat and food stagnation, stomach and epigastric distension, dysentery and abdominal pain, blood stasis and menstrual closure, postpartum stasis, hernia pain and hyperlipidemia. Note that the weak spleen and stomach and pregnant women should not be taken. 2. Lycium barbarum: Yin tonic, flat, sweet. It belongs to the liver, kidney and lung meridians, and has the effect of nourishing the liver and kidney, benefiting the essence and brightening the eyes (tonifying the essence and promoting the recovery of eyesight). It is used in treating deficiency of essence, soreness of waist and knees, dizziness and tinnitus, impotence and spermatorrhea, internal heat and thirst (internal heat accompanied by symptoms such as excessive eating, drinking and urinating), blood deficiency and yellowish color, and dizziness and uncertainty of the eyes. Its contraindications are not clear. 3. Cassia seeds: cold, sweet, bitter, salty. Attributed to the liver, large intestine meridian. It has the effect of clearing the liver and brightening the eyes, moistening the intestines and relaxing the bowels. Used for the treatment of eye redness and astringent pain, shyness and tears (eyes afraid of light, often tears), headache and dizziness, dark eyes, constipation and other conditions. Caution should be exercised for those with cold spleen and stomach deficiency (weak and cold spleen and stomach) and loose stools (thin and unformed feces). These three drugs can be used together to tonify the liver and kidney, benefit the essence and eyesight, and eliminate food. Adverse effects are not known and should be used under the guidance of a professional Chinese medicine practitioner.