The invention discloses a formula of a honey refined gum for treating chloasma and a preparation method thereof. The medicinal composition comprises the following crude medicaments in part by weight: 50 to 60 parts of sealwort, 30 to 40 parts of Chinese wolfberry, 10 to 20 parts of 
donkey-hide 
gelatin, 5 to 8 parts of cinnamon, 10 to 15 parts of 
peach blossom, 10 to 15 parts of flower of puncturevine caltrop, 10 to 15 parts of Anhui 
chrysanthemum flower, 10 to 15 parts of honey suckle, 10 to 15 parts of rose, 10 to 15 parts of 
dandelion, 10 to 15 parts of 
gardenia, 20 to 25 parts of mulberry, 15 to 20 parts of dahurian 
angelica root, 15 to 20 parts of white almond, 20 to 30 parts of white poria, 20 to 30 parts of Chinese yam 
rhizome, 20 to 30 parts of lily, 10 to 15 parts of dried 
tangerine peel, 15 to 20 parts of papaya, 15 to 20 parts of citron peel, 10 to 15 parts of folium mori, 15 to 20 parts of peach kernel, 15 to 20 parts of bunge cherry seed and 15 to 20 parts of spina date seed. The honey refined gum has the characteristics of conditioning 
Yin and Yang, benefiting the 
spleen and 
kidney, soothing the liver and regulating Qi, clearing heat and releasing 
toxin, and invigorating the circulation of blood and relaxing the bowels, can effectively regulate the female endocrine, and has good 
treatment effect on the chloasma, blackish facial patch, baldness, white hair, 
insomnia, 
anxiety and 
constipation.