Our current research included the study of two types of intestinal parasites, which are usually protozoa; (such as Giardia), and worms; (such as tapeworms or pinworms) that get into almost number of child's body and use the intestines as shelter. These comparative study of intestinal parasite infection occurs between a hospital in the center of Babylon city, and a hospital Al-Kifl City during the period 1/1/2020_31/12/2020. These classes of parasites are live in the intestine, or other parts of the body and often multiply. They may or may not cause symptoms, and are very common all over the world. There are many parasites and germs that can cause contamination of the human intestine, the most prominent of which are: Amoeba, Candida albicans, Helicobacter pylori, Blastocystis, intestinal worms, parasites, and others.