A testing jig of a pogo pin connector for testing a connection between at least one pogo pin and an electrical plug is disclosed. The testing jig includes a first support element, a second support element, and a platform. The first support element has a first groove and at least one opening defined therein. The second support element has a second groove corresponding to the first groove for receiving the electrical plug. The platform is disposed below the first support element, and at least one receiving hole is defined in the platform. The at least one pogo pin is disposed in the at least one receiving hole and exposed in the first groove through the at least one opening. The pogo pin is configured in various tilt angles through the platform with the opening for solving high cost of various mold developments.