POCT detector, the meaning of POCT can be understood from two aspects: space, the test carried out around the patient, that is, "bedside test"; In terms of time, "immediate inspection" can be carried out ". In terms of modeling language, we define the design direction of "fast", "precise" and "simple". In terms of material technology, designers adopt a combination of sheet metal and plastic to control costs while well reflecting the design sense of the main aspects of the product. The balance between cost and beauty is taken into account.