关键词: 深度学习, 卷积神经网络（CNN）, 建模, 人脸识别

Abstract: Deep learning is a hot research topic in the field of artificial intelligence, and it is an inevitable trend to use deep learning to support the research of artificial intelligence. Its performance advantages have been demonstrated in the fields of image, voice and text. Based on the analysis of deep learning related literature, this paper reviews the application of the current deep learning model, involves the concept and method framework of deep learning, analyzes the bottlenecks to be broken currently, and points out the future research direction of deep learning.

Key words: deep learning, Convolutional Neural Network（CNN）, modeling, face recognition