Streptococcus is a group of Gram-stain positive bacteria, generally round or oval, arranged in a chain, hence the name. Streptococcus gallate is one kind of Streptococcus genus, belongs to group D streptococcus, belongs to Streptococcus bovis, Streptococcus gallate can produce tannin enzyme, can decarboxylate tannin and produce gallic acid, so the name of Streptococcus gallate, can be divided into subspecies of gallic acid, Macedonia subspecies, subspecies of Bartholomew. Although Streptococcus gallate is isolated from animals, many infections caused by Streptococcus gallate have been discovered in recent years, for example, Streptococcus gallate can cause peritonitis, splenic abscess, neonatal sepsis, meningitis, urinary tract infection, etc. Streptococcus gallate can cause sepsis and endocarditis.