Cell phone charging stand and cell phone back shell matched therewith

The utility model discloses a cell phone charging stand. The charging stand comprises an input interface, a voltage reducing circuit, at least one pair of contact output interfaces and at least one limit mechanism, wherein one end of the input interface is used for being externally connected with a power supply, and the other end of the input interface is used for being connected with the input end of the voltage reducing circuit; the output end of the voltage reducing circuit is connected with the contact output interfaces; the contact output interfaces are arranged on the surface of the charging stand; the number of the limit mechanism is identical to the pair number of the contact output interfaces; and the limit mechanism and the contact output interfaces are positioned corresponding to a cell phone placed on the charging stand for charging. The charging stand adopting the structure can realize contact charging of the cell phone, and is convenient to use. The utility model further discloses a cell phone back shell matched with the cell phone charging stand.