1. Objectives:

（1）         Master the morphology, life cycle , pathogenesis, diagnosis of Ascaris lumbricoides, Enterobius vermicularis and Trichuris trichiura.

（2）         Master the pathogenic mechanism of Ascaris lumbricoides.

（3）         The epidemiology and prevention of the three worms.

2 . Contents:

（1）         The life cycle of Ascaris lumbricoides, Enterobius vermicularis, Trichuris trichiura.

（2）         The shape, pathogenesis, diagnosis of Ascaris lumbricoides, Enterobius vermicularis, Trichuris trichiura.

（3）         The epidemiology and prevention of Ascaris lumbricoides, Enterobius vermicularis, Trichuris trichiura.