The cold shed is the spring and autumn shed, which is called the steel frame shed according to the structure, that is, the arched steel frame is covered with shed film. It has a certain heat preservation effect, and can be used for seedling raising in the open field in spring, but cannot be produced in winter.

Greenhouse is also called greenhouse, and it is also called steel greenhouse according to its structure. There are brick back walls and gables, and one side of the steel frame is covered with shed film, which has good thermal insulation performance and can be produced in winter.

Greenhouse area is not fixed, so it can be built according to production needs. Generally, the cold shed is more than one mu, and the warm shed is more than 7 minutes to one mu.