1. The disadvantage of laser-induced blood glucose meter is that it is easily interfered by many factors in the environment, such as dust, sweat and grease in the air, which leads to inaccurate test results.
2. The disadvantage of the test paper type blood glucose meter is that the test paper and the needle are disposable consumables, and the shelf life of the test paper is not long. Improper storage will affect the accuracy of blood sugar test values.
3. The disadvantage of biosensor blood glucose meter is that it is expensive, needs to be calibrated regularly, needs to use supporting test paper and instruments, and is more troublesome to use.