61 cases of pericarditis caused by the Iarva stage of paragonimus szechuanensis were analysed from 1967 to 1982.Among 354 cases of paragonimiasis the pericarditis reached 17.2 percent.Causes of misdiagnosis as tubercuious

purulent and nonspecific pericarditis were discussed.Histery of eating uncooked crabs

positive intradermal test of paragonimus and pericardial fluid containing numerous eosinophiles are important points to make the diagnosis of paragophiles pericarditis.It must be emphasized that if the patient is diagnosed at the early stage and is with bithionol

the prognosis will be good;If the patient is not treated in time constrictire pericarditis and cardic insufficiency will occur

the prognosis will be poor.