The present invention relates to a liquid crystal display and a manufacturing method thereof; the LCD comprises a backlight module and a display panel; an included angle \u2296pb is between a normal direction of a light emission surface of the backlight module and a normal direction of a light emission surface of the display panel. The device comprises a resilient ring for receiving and restraining the penis in a funnel-shaped collection assembly bag extending from the diaper or brief. The client switching device includes a unit for connecting to a communication network to which the communication is to be switched after the session release is complete and for acquiring a new communication address assigned through the connection and a unit for notifying the server switching device of the acquired communication address.