Nanjing Yin Xi E-commerce Company requires employees to collect their mobile phones during training. Because Nanjing Yin Xi E-commerce Company can effectively improve the study and work efficiency of employees. By collecting mobile phones, employees can concentrate more, participate in training, learning and practice wholeheartedly, and avoid distracting and wasting time on mobile phones. In addition, collecting mobile phones can also prevent employees from interfering or disturbing the training process due to personal matters during the training process, and ensure the smooth progress and quality of the training. Therefore, Nanjing Yin Xi E-commerce Company requires employees to collect their mobile phones during training.