The invention discloses an environment-friendly gas insulation switch cabinet which comprises a cabinet body. A sealed box body is arranged on the upper portion of the cabinet body. Three circuit breakers are arranged in the sealed box body side by side. Each circuit breaker comprises a U-shaped connection bus and a supporting frame, wherein a copper insert is arranged on the top of the supporting frame, the two sides of the connection bus are connected with a wire inlet insulator and a bus insulator, the connection bus is fixed to the copper insert, an arc extinguish chamber is arranged at the bottom of the copper insert, a pull rod is arranged at the bottom of the arc extinguish chamber, the bottom of the pull rod is connected with a circuit breaker operation mechanism through a rotating shaft, the upper portion of the pull rod is connected with a touch base through a soft connector, and a three-station isolation switch controlled by a three-station operation mechanism is arranged below the touch base. The environment-friendly gas insulation switch cabinet is reasonable in structure, high in modularization degree, safe and reliable to operate, low in running cost, convenient to overhaul, long in service life, high in environment adaptability, green and environmentally friendly.