Portable water quality detector

The invention discloses a portable water quality detector, and relates to the technical field of water quality detection, the portable water quality detector comprises a hand-held device convenient for carrying the portable water quality detector, the hand-held device is provided with a buckle and a spring, the hand-held device can be rapidly opened during use, such that the portable water quality detector can be rapidly put into work; a water pumping device used for sampling a water source needing to be detected is arranged in the hand-held device, water pumping heads and a distance adjusting plate used for adjusting the distance between the water pumping heads are arranged on the water pumping device, sampled water is directly injected into test tubes, a shaking-up device used for adding reactants into the sampled water and shaking up the water is further arranged in the hand-held device, a cam and a triangular disc are arranged on the shaking-up device, so that an adding head can quickly extract an adding