In the year 2000, Wu Endong from Anfu married his wife Liu Ying and they had a son. In order to ease their family financial situation, in 2008 Wu Endong went to Dongguan, Guangzhou to work. On July 15th of this year, Wu Endong came home for a temporary visit, thinking he could spend a few days enjoying harmonious family life; who would have known that a gynecological examination report of his wife gave him a big surprise: the test result showed that there were sperms existing in his wife's body.