1, different materials. The preserved egg is made of eggs, but it is made of lime, alkali, chaff or sawdust. Songhua preserved eggs are made of lead oxide and accessories.

2. Different colors. The color of changed eggs is golden yellow yolk and transparent protein package, generally without patterns. The color of preserved eggs is dark and close to black, and some preserved eggs have pine-like patterns, which are generally called preserved eggs.

3, the taste is different. The taste of preserved eggs is fragrant, while the taste of preserved eggs is a little smelly, but for those who love preserved eggs, the smell is acceptable.