Will it be spoiled to bring a warm lunch box to work in summer?

Easy, not recommended. In general, it is not suitable to use an incubator for lunch in summer. It's hot in summer, so it's easy to spoil rice and breed bacteria with heat preservation boxes. Therefore, it is best not to use an incubator for lunch in summer.

Main information:

Lunch box is a kind of box specially used to hold rice, also called lunch box, which is mostly made of aluminum, stainless steel and plastic. Origin: Yang Shuo? The fifth paragraph of Three Thousand Jiang Lishan: "The rice in the lunch box is gurgling." Lunch boxes include plastic lunch boxes, insulated lunch boxes and ordinary lunch boxes.

The insulated lunch box is composed of ordinary lunch boxes, with an insulated shell, the inner and outer layers filled with foam plastic, and the inner layer plated with metal film. Reduce heat loss caused by conduction, radiation and convection. An electric heating device is installed between the lunch box and the shell to supplement the heat loss and keep the food at a certain high temperature.

The predecessor of lunch box is food box, which is a big box used to hold food, utensils or other gifts. With the development and change of the times, the food box has completely faded out of people's lives and become a collection in the antique market.

Ancient gentry and celebrities went out to visit friends, or participated in the activities of poetry clubs and literary clubs, and drank with close friends. They often prepare some dishes and fruits as appetizers in advance.

In early spring, literati go out for an outing, and they also bring food, wine and delicacies for a picnic. The food box is a long carrying box specially used to hold food, wine and vegetables, which is easy to carry and walk. It is made of wood, bamboo, enamel, lacquerware and other materials, mostly wood.