The invention discloses a 10-channel full automatic digital megger. The 10-channel full automatic digital megger comprises a casing body, a signal processing module arranged in the casing body, a signal acquisition unit arranged outside the casing body, and a signal distribution device which is arranged between the signal processing module and the signal acquisition unit. According to the invention, a signal passes through a converter; a humidity adjustment module and a temperature adjustment module are arranged in the casing body to adjust the temperature and humidity of the digital megger to ensure that the device is in the best working condition at all times; and the 10-channel full automatic digital megger is worthy of application and promotion.