Portable antibiotic rapid detection pen

The utility model discloses a portable antibiotic rapid detection pen. The portable antibiotic rapid detection pen comprises a pen cap, a pen body and a pen point, wherein the pen cap is a detachable automatic propeller, and the pen body comprises a sample pool, a reaction pool group and a developing pool. Wherein a sample injector is arranged at the joint of the sample cell, the replaceable reaction cell and the developing cell, the pen point comprises a timer, a battery and a slave end Bluetooth transmitting device, and a detection result can be sent to a terminal Bluetooth receiving device. The device is simple in structure, convenient to carry and capable of rapidly and qualitatively detecting antibiotics in water. In the detection process, only the reaction tank and the color development tank in the sample tank need to be replaced, so that the method has the advantages of low cost, simple principle, fast color development, simple method, suitability for detection of more samples and detection of non-prof