The invention belongs to the technical field of parallel capacitors, and especially relates to an integrated device for current measurement, acquisition and energy accessing for parallel capacitors. The integrated device is connected to a power supply module of a wireless data acquisition unit through a leading-out wire connected to one end of an energy accessing unit, and the wireless data acquisition unit is directly laminated on a string type current transformers. An integrated packaging means is employed, the string type current transformers, the wireless data acquisition unit and the energy accessing unit from an integral body which sleeves and is parallelly connected to a capacitor sleeve. The integrated device employs an integrated sealed structure design, current data of parallel capacitor can be measured under power-on conditions, and current value stability of the capacitors and working stability of uninterrupted measurement of parallel capacitors can be ensured. The current values of the capacitors can be analyzed to effectively determine the normality of the working state of the capacitor when in combination of a background computer. The integrated device has the advantages of simple and practical structure and low cost and is widely applicable to current measurements for parallel capacitor sets.