1.5m wide house canopy height and canopy length are generally 0.6 ~ 1.5m ... According to relevant data, there are rain shelters and awnings at the upper part of the entrance and exit of the building, and the length difference of the awnings is 0.6 ~1.5m. The horizontal members at the entrance and the upper part of the balcony at the top floor of the building are used to shelter the rain and protect the external doors from rain erosion. Canopy beam is a typical flexural member. Small awning. Such as cantilever awning and hanging awning. Large awning. For example, awnings supported by walls or columns can be divided into FRP structures and all-steel structures.