1. has high efficiency, and can save the time of reasoning and calculation in induction and deduction process, thus saving the time of consulting data.

2. The correct rate is high. As long as the premise is established, the conclusion is established.

3. It has a wide range of applications and can be used to prove infinite propositions.

The disadvantages of mathematical induction include:

1. Incomplete induction is prone to errors.

2. For some problems, mathematical induction cannot prove its correctness.