The invention discloses a preparation method of a Chinese medicinal 
lotion for treating 
spleen deficiency 
ecthyma, belonging to the technical field of Chinese 
medicine preparation methods. At present, 
antibiotics and 
sulfanilamide are generally adopted for treating 
spleen deficiency 
ecthyma. If 
cefoperazone is adopted, partial intramuscular pain can be caused, allergic reactions such as erythra and medicament fever occur occasionally, and reduction in complete blood cells, prolonging in 
prothrombin time or bleeding and the like can occur on individual patients. According to the technical scheme of the invention, the method comprises the following steps of: putting 31 medicaments including cabbage, dried longan pulp, large-head atractylodes 
rhizome, white paeony root, 
American ginseng, Chinese angelica, 
lotus seed, dangshen, sharpleaf galangal fruit, 
astragalus, sealwort, polished round-grained rice, dried ginger, wild pepper, medicinal evodia fruit, common monkshood mother root, 
aconitum carmichaeli debx, prepared common monkshood 
daughter root, wild ginger, pepper, 
long pepper, 
piper cubeba, fennel, chive, Chinese ginger, selinum japenious seed, hot pepper, caraway, resurrection lily 
rhizome, black-bone chicken and liquoric root into water for soaking; and decocting with soft fire to obtain a decocted medicinal liquid which serves as a Chinese medicinal 
lotion for treating 
spleen deficiency 
ecthyma. The Chinese medicinal 
lotion has the advantages of small toxic and side effects of a prepared Chinese 
medicine, short treatment course and high curative rate.