The invention discloses an ultralow frequency and oscillatory wave integrated partial-discharge-free cable performance detection device, belongs to the field of power cable test, and aims to design acable oscillatory wave partial discharge detection technology or an ultra-low frequency detection two-in-one device to realize cable partial discharge detection. The device comprises an inductor L, aswitch, a current source, a control system, a shielding box, a layer partition plate and a base, the layer partition plate is erected over the base and divides the vertical space into an upper part and a lower part, the inductor L is installed on the layer partition plate of the upper space, and the switch, the current source, the control system and the shielding box are installed on the base of the lower space. The current source and the control system are stacked together, and the projection position of the current source on the base coincides with that of the inductor L on the base. The switch is formed by stacking a plurality of single switches, the shielding box is arranged under the switch, and the projection position of the switch on the base is located in front of the projection position of the inductor L on the base; and the inductor L is electrically connected with the tested cable.