By the paraffin embedded sections and HE staining we have a relatively histological observation on the digestive system.The results showed that: the intestinal structure of young bambusa from the inside to the outside were fluff,mucosa,submucosa,muscle layer,serosa.the cross-fold exists in the submucosa,Midguthave less Fold than the other two;liver and pancreas does not occur clear differentiation,there are sinusoids and bile duct in it;cell gap is small,and they are closely arranged,form a hepatic plate;pharyngeal is a loose structure,and con...