Objective Vitamin D₂ mushroom powder has been listed as a new edible raw material in relevant regulations of EU， USA， Australia and New Zealand following the existing regulatory standards. There is no regulation or standard in China and CAC or other countries and international organizations about the approvement of the use of this raw material. The production technology and product characteristics of vitamin D₂ mushroom powder， relevant laws， regulations and standards at home and abroad are discussed and analyzed. As an emerging food ingredient， the food trade and food safety regulatory authorities should pay attention to the development of vitamin D₂ mushroom powder. It may refer to the relevant regulations and standards of relevant countries and international organizations when implementing product development， food safety regulation and formulating consumer guidance.