The invention discloses a Chinese and 
western medicine compound spray for treating 
acute mastitis, belonging to the technical field of medicines. The Chinese and 
western medicine compound spray comprises the following components in parts by weight: 1.2-2.0 parts of flunixin, 0.3-1.0 part of 
thiourea, 2-5 parts of 
glucan, 1.5-5 parts of N,N-
dimethylacetamide, 0.1-0.2 part of an acid-binding agent, and 3-7 parts of a Chinese herbal 
medicine compound component, wherein the Chinese herbal 
medicine compound component is prepared by extracting the following Chinese herbal 
medicine raw materials in percentage by weight: 35% of violet, 8% of 
colocasia konishii, 11% of 
herb of oriental dodartia, 5% of 
lilac daphne flower buds, 6% of 
Wikstroemia indica (L.) C. A. Mey., 22% of birch 
bark, 3% of 
herb of wilson yarrow, and 10% of 
metaplexis japonica. The Chinese and 
western medicine compound spray is prepared by selecting multiple Chinese herbal medicines, extracting the active ingredients thereof, and matching the active ingredients with the western medicine components with different efficacies, so that the purpose of jointly treating 
acute mastitis is achieved, the efficacies of diminishing 
inflammation and dispelling swelling, activating 
blood circulation to remove meridian obstruction, clearing away heat and toxic materials, resisting 
bacteria and viruses are achieved, and the Chinese and western medicine compound spray is convenient to use, high in content of active ingredients, rapid in taking effect, and obvious in 
curative effect.