Connector terminal and terminal installation device

The invention provides a connector terminal which can be plugged in a circuit board in a first direction. The connector terminal comprises a fixing part and an electric connection part, wherein the fixing part is used to fix the connector terminal in the circuit board; the electric connection part is opposite to the fixing part and comprises an installation part matched with a terminal installation device; and the installation part comprises as least three parts, and the widths of a first part, a second part and a third part gradually reduce along a second direction opposite to the first direction. The invention also provides the terminal installation device which is used to install the connector terminal in the circuit board. By adopting the terminal installation device, the reinforcing part of the connector terminal can not be deformed and the connector terminal can be inserted in the circuit board in a correct posture.