Finding schistosome eggs in feces or rectosigmoid mucosal biopsy is one of the diagnostic bases of pulmonary schistosomiasis, which is caused by the migration, development, and parasitism of schistosome’s child and adult worms in the lungs, or the deposition of its eggs in the lung tissues of pulmonary schistosomiasis, resulting in the lesions with the main manifestations of intra-pulmonary inflammation, abscess, granulomatous granulomas, and pseudo-tuberculosis, and it is also the most common heterotopic schistosomiasis. What are the prevention methods of pulmonary schistosomiasis? 1, the key to prevent this disease is to effectively do not eat raw or half raw stone crabs, mayflies and raw water to prevent infection. 2, do not spit, do not defecate, to avoid the eggs with the rain into the stream to pollute the water. 3.Patients should be treated thoroughly once they get the disease. 4.Do not swim or play in the lake, river, pond or canal where there are snails. 5, because of production and life can not avoid contact with infected water, can be in contact with infected water before applying protective ointment to prevent schistosomiasis infection. 6.After contacting the infected water, you should go to the local blood defense department in time for necessary examination and early treatment. The current treatment with the drug called praziquantel, this drug has low toxicity, good efficacy, easy to take. Pay attention to the safety of the diet is very important, do not take drugs indiscriminately, pay attention not to eat cold food, you can should be the method of traditional Chinese medicine prevention and prognosis of the maintenance of the body, and actively exercise to restore health, to ensure that the mood is comfortable.