Stomach acid is limited in its ability to kill parasites. The main component of stomach acid is hydrochloric acid, which is an acidic liquid with a pH usually around 0.9 to 1.8, but this acidity is tolerable for intestinal parasites and stomach acid does not kill them. Most of the parasites that enter the body with food enter through eggs and develop in the body, and the surface of the eggs has a thicker protective film, which stomach acid does not destroy, so stomach acid cannot kill the parasite eggs either. In daily diet, we should pay attention to dietary hygiene, fruits and vegetables should be washed before consumption, and meat should be cooked thoroughly before consumption. When infected with parasites, anthelmintics such as albendazole tablets should be used promptly for treatment. If the patient suspects parasitic infection, it is recommended to consult a doctor in time and accept treatment actively. The medication should be taken strictly according to the doctor’s prescription, and should not be used on its own, so as not to delay or even aggravate the condition.