With the increasingly strict national regulations on the storage of hazardous materials and the strengthening of self safety awareness among various hazardous material users, more and more customers are choosing to use explosion-proof refrigerators to store various types of hazardous materials with low temperature requirements. However, currently most domestic manufacturers and distributors of explosion-proof refrigerators are not familiar with the characteristics of explosion-proof refrigerators, resulting in the emergence of various products on the market that claim to be explosion-proof but have not yet achieved true explosion-proof capabilities. For the convenience of users in purchasing, we hereby introduce the key points for selecting explosion-proof refrigerators.