The method of set pair analysis was used to evaluate the comprehensive performance of geopolymer mortar (GM) based on metakaolin and fly ash modified by nano-SiO2 (NS) and polyvinyl alcohol (PVA) fiber. and the design of mix proportion for GM was optimized. According to the experimental results. the addition of the NS and PVA fiber can improve the comprehensive properties of GM. https://danddcollectiblers.shop/product-category/shower-gel/