Disclosed is a heat insulation 
light transmission curtain for a classroom. The heat insulation 
light transmission curtain comprises an outer layer 
dark color curtain and an inner layer light color curtain. The 
dark color curtain comprises a 
bamboo charcoal fiber surface layer, a fragrant 
surface layer and a negative 
ion release layer; the fragrant 
surface layer is prepared from, by weight, 50-60 parts of cotton 
fiber, 20-30 parts of 
phellodendron bark fiber, 10-20 parts of chinaberry 
bark fiber and 10-20 parts of bamboo fiber; the light color curtain comprises a cord fabric body and glass microbeads penetrating through the cord fabric body; the cord fabric body is prepared from, by weight, 45-55 parts of cotton fiber, 25-35 parts of 
hemp fiber and 20-30 parts of temperature regulating fiber. The preparation method comprises the following steps that the two side edges and the bottom edges of the 
bamboo charcoal fiber surface layer and the fragrant surface layer are sewn, the upper edgesare movable connected, the negative 
ion release layer is arranged between the 
bamboo charcoal fiber surface layer and the fragrant surface layer, and a 
dark color curtain with the sandwiched structure is formed; a light reflecting heat insulation 
coating is plated to the exterior of the glass microbeads, the glass microbeads penetrate through the chord fabric body, and a light color curtain is formed. The light brightness of the classroom is not affected, interference caused by direct strong 
light emission to students can be avoided, and meanwhile air inside the classroom can be purified.