The utility model relates to the technical field of shield tunneling machine visual detection, and especially discloses a high sealing camera for a shield tunneling machine. The high sealing camera comprises an installation cylinder and a focusing head. A camera body is disposed in the focusing head. A conical seal ring is disposed between the camera body and the focusing head. The front end of the focusing head is provided with a lens. A connecting sleeve is disposed between the rear end of the focusing head and the front end of the installation cylinder. A camera positioning plate and a positioning adjustment seat are disposed in the installation cylinder. The inner end of the camera body is fixedly connected with the camera positioning plate. The camera positioning plate is fixedly connected with the positioning adjustment seat. The rear end of the installation cylinder is provided with an end cover. The outer end of the end cover is provided with a connector. The center of the end cover is provided with a wiring hole. A seal gasket is disposed between the end cover and the connector. An end of the seal gasket extends to form a seal sleeve extending into the connector. A dual-hole wiring seal sleeve is disposed in the seal sleeve. Thus, the utility model has the beneficial effects of high pressure resistance, good sealing performance and long service life.