Aerogel　materials　are　used　in　various　fields,　but　there　is　a　shortage　of　aerogel　materials　with　an　excellent　combination　of　mechanical　properties,　thermal　stability,　and　easy　preparation.　In　this　study,　polyimide　aerogel　materials　with　superior　mechanical　properties,　thermal　stability,　and　low　thermal　conductivity　were　prepared　by　forming　a　double-gel　system　in　the　liquid　phase.　The　amino-modified　gel,　prepared　by　coating　SiO2　nano-microspheres　with　GO　through　a　modified　sol-gel　method　(SiO2@GO-NH2),　was　subsequently　homogeneously　dispersed　with　PAA　wet　gel　in　water　to　form　a　double-gel　system.　The　construction　of　a　double-gel　system　enabled　the　PI　aerogel　to　shape　a　unique　honeycomb　porous　structure　and　a　multi-layered　interface　of　PI/SiO2/GO.　The　final　obtained　PI　aerogel　possessed　effective　thermal　conductivity　(0.0309　W/m·K)　and　a　high　specific　modulus　(46.19　m2/s2).　In　addition,　the　high　thermal　stability　(543.80　°C　in　Ar　atmosphere)　and　the　ability　to　retain　properties　under　heat　treatment　proved　its　durability　in　high　thermal　environments.　The　hydrophobicity　(131.55°)　proves　its　resistance　to　water　from　the　environment.　The　excellent　performance　of　this　PI　aerogel　and　its　durability　in　thermal　working　environments　make　it　possible　to　be　applied　in　varied　industrial　and　research　fields,　such　as　construction　and　energy,　where　heat　and　thermal　insulation　are　required.　©　2022　by　the　authors.