The invention discloses a digitalized intelligent nuclear detection counting device based on Bluetooth wireless communication network, which mainly comprises a central processor unit, a signal input processing unit, a liquid crystal display and keyboard interface unit, a USB interface unit, a Bluetooth communication unit, a calendar time unit, an acousto-optic warning unit and a power distribution supplying and managing unit. The central processor unit is realized by adopting a singlechip and is used as a control core of the whole device. The singlechip is connected with other units through input and output ports of the singlechip, and manages and controls information of other units. The nuclear detection counting device has high timing and counting precision as well as high reliability, realizes friendly user interactive function, realizes multi-point synchronous wireless network deploying measurement, has compact structure and lightness, is convenient to carry, and is suitable for moving measurement.