Male female type switching adapter USES the embedded optical fiber and optical fiber core plug adapter sleeve jointing technology, can connect a type optical fiber head (head) is converted into another type of optical fiber connector (male) or to a type of optical fiber connector interface (mother) is converted into another type of optical fiber connector interface (female), with small volume, light stability, features use of simple features, widely used in fiber optic equipment instrument test and engineering rescue construction and other fields.