Compound functional sugar with function of adjusting intestinal flora

The invention discloses compound functional sugar with a function of adjusting intestinal flora. The compound functional sugar contains functional oligosaccharide, L-arabinose, dietary fiber and probiotics and is characterized in that bifidobacterium, lactobacillus and other beneficial bacteria can be proliferated; meanwhile, the proliferation of escherichia coli, enterococcus and other harmful bacteria is restrained to adjust the intestinal flora; and the small intestine peristalsis can be promoted, the defecating time can be shortened, the defecation quantity can be increased to play a role in defaecation.