Due to the high price of melamine powder, some illegal businesses, in pursuit of profit, directly use urea-formaldehyde molding powder as raw materials for production; The outer surface is coated with a layer of melamine powder. Tableware made of urea-formaldehyde is harmful to the human body. When consumers buy, they must first go to regular stores or supermarkets. Don’t be greedy for cheap and buy on the street stalls. Secondly, when purchasing, check whether the appliance has obvious deformation, color difference, smooth surface, and bottom. Whether it is uneven, whether the decal pattern is clear, whether there are wrinkles and bubbles, whether the colored tableware is rubbed back and forth with a white napkin, whether there is any phenomenon such as fading.