Abstract: In the Dry-hot Valley Area of Yunnan,the climate is hot,dry,less rain,sufficient light and no frost in the whole year.The existing shelter facilities are easy to produce powdery mildew due to high temperature and poor ventilation and air permeability.The new shelter has high shelf height,no film around,good ventilation and light transmittance,and the top is covered with Israeli functional film.It can absorb heat at high temperature,keep warm at low temperature and has long service life,reduce the comprehensive cost,restore the natural environment conditions,reduce the occurrence of powdery mildew.