Abstract: At present, artificial intelligence technology is booming, and a variety of artificial intelligence models and products are launched at home and abroad，and artificial intelligence has constantly influence on people’s lives.Data is one of the core factors in artificial intelligence，and the development of artificial intelligence technology benefits from the high-quality data.Therefore,the measurement and evaluation of data for artificial intelligence is an important precondition to achieve legality,safety and fairness of artificial intelligence.For the metrology and evaluation of data,the legitimacy,authenticity,diversity,balance,data privacy protection and ethics,data quantity are proposed as the fundamental contents of measurement and evaluation of data.

Key words: Artificial intelligence, Deep learning, Training data, Data security evaluation