The main difference is the softness and hardness, the taste is different. All are European-style bread, only the ratios will be different. \x0d\\\\x0d\\ Old European Bread: Old bread is bread baked when the flour is naturally fermented to the point where it is about to become sour or slightly sour. Compared to the modern common bread, the ingredients are single, no added ingredients such as eggs, milk, chocolate, etc. It is also not as fluffy and tasty as the modern bread, with a hard texture, but it is healthier, for example, like a large levain or something like that. \x0d\\\x0d\\ hard European bread: generally for the lower composition of the bread, the recipe for the use of sugar, oil and fat are used in the amount of flour of less than 4%, with a crunchy outside and soft inside qualities, such as French bread. Its characteristics, such as the toast has not as strong as the aroma of wheat, crust to be hard or crisp, the internal organization needs to be tough, but not too strong, chewy. \x0d\\\x0d\\ Soft European Bread: Generally, it is a high composition bread, the sugar and fat used in the recipe are more than 10% of the flour, the filling should be more than 20% of the weight of the dough, and the organization is relatively soft, so it can be used with various kinds of fillings to make the final bakery products. Its characteristics are higher composition, the formula contains more sugar, eggs, fat, the shape of the exterior and filling changes, beautiful appearance, internal organization is meticulous and uniform, sweet and soft flavor.