The presence of parasites in the body results in abdominal pain, diarrhea, bloating, fever, swollen lymph nodes, and in severe cases, anemia and malnutrition. Parasites are a common cause of parasitic diseases, which are common and prevalent in humans. After entering the human body, parasites can cause local or systemic damage in the process of migration, development, reproduction and settlement, so the clinical manifestations of parasitic diseases can be reflected in the local damaged tissues or organs, but also in the whole body. The diagnosis can usually be made by pathogenic examination, and depending on the type of parasite, the most effective drugs can be used for treatment, mainly to eliminate the parasite.