1, network distance learning can be done in spare time, and the learning time is more flexible; 2. The learning process is more autonomous, and you can freely control and grasp learning according to your own time and actual situation. Network training has many advantages: pertinence, selectivity, flexibility, repeatability, interactivity and resource enjoyment. E-learning completely breaks through the limitation of learners' learning time and place, and also avoids the multiple waste of time, energy and money.