The invention relates to a unibract fritillary 
bulb and 
loquat leaf medicinal composition and a preparation method thereof. Four Chinese herbal medicines, namely unibract fritillary 
bulb, platycodon grandiflorum, 
loquat leaf, and 
menthol crystal are selected and the preparation method comprises the following steps of: crushing unibract fritillary 
bulb into 
fine powder for later use, crushing platycodon grandiflorum 
powder into 
fine powder, taking a certain amount of platycodon grandiflorum fine power for later use, mixing residual platycodon grandiflorum 
powder and 
loquat leaf, adding water and decocting, filtering for different times, mixing filtrates, standing, taking supernate, concentrating to obtain plaster, adding platycodon grandiflorum fine power, uniformly mixing, 
drying, 
grinding, adding unibract fritillary bulb 
fine powder, mixing uniformly, 
pelletizing, 
drying, adding 
menthol crystal and auxiliary materials, mixing uniformly, and preparing various formulations according to clinical requirements. The 
medicine is prepared from non-toxic and pure Chinese herbal medicines, the 
medicine prepared by the process can be absorbed easily, the 
utilization rate of active ingredients of the 
medicine is higher, and the medicine is convenient to take and carry, and is low in preparation cost. If 70 percent 
ethanol is added into one third unibract fritillary bulb fine power for extraction and then the subsequent operation is performed, the prepared medicine has better curative effects.