Estimation of cocoon crops loss in Egypt is ranged 38 to 46% due to various reasons including bad rearing procedures and diseases infections. Procedure of rearing technique is very effective of cocoons crop quantity and quality. So, enhancement of rearing technique would raise the quality and quantity of cocoons. Effects of using powders of lime, mulberry wood ash and common disinfectant to improve silkworm rearing technique were investigated in the present study. All treatments tested in this study were caused reduction in mortality percentage comparing with control. As well as improving most traits under investigation. Using mulberry wood ash daily and common disinfectant generally acquired the best results. So that, mulberry wood ash daily and common disinfect was recommended for enhancement the rearing mulberry silkworm.