A process for manufacturing a moisture-retaining, quality-preserving and aroma-keeping vacuum aluminum-plated inner liner for cigarettes, the inner liner comprising a raw paper layer, an upper surface of the raw paper layer being sequentially provided with a hot melt sealing layer, a water-based sealing layer, a vacuum aluminum-plated layer and a water-based protective layer from the inside to the outside, a lower surface of the raw paper layer being provided with a moisture returning layer, the inner liner further comprising a moisture-retaining and aroma-keeping layer disposed between the raw paper layer and the moisture returning layer, the process comprising the following manufacturing steps: 1) forming a hot melt sealing layer on the upper surface of the raw paper layer by the way of slit coating, moreover, the slit coating having a temperature of 100°C-180°C and a coating amount of 8g/m 2 -18g/m 2; 2) forming a water-based sealing layer on the surface of the hot melt sealing layer by the way of gravure printing, wherein the water-based sealing layer has a curing temperature controlled at 80°C-120°C, a surface smoothness controlled at 400s-1000s, and a paper moisture content <5%; 3) forming a vacuum aluminum-plated layer on the surface of the water-based sealing layer by the way of vacuum-aluminizing; 4) forming a water-based protective layer on the surface of the vacuum aluminum-plated layer by the way of gravure printing, wherein the water-based protective layer has a dry coating amount of 1g/m 2 -5g/m 2 and a curing temperature of 80°C-120°C; 5) forming a moisture-retaining and aroma-keeping layer on the lower surface of the raw paper layer by the way of roll coating or spray coating, wherein the moisture-retaining and aroma-keeping layer has a dry coating amount of 1g/m 2 - 5g/m 2 and a curing temperature of 80°C-120°C; 6) forming a moisture returning layer on the lower surface of the moisture-retaining and aroma-keeping layer by adding water to the lower surface of the raw paper layer for wet-processing, so as to control moisture content of finished paper to 5% ± 1%; wherein the moisture-retaining and aroma-keeping layer is a material layer of inorganic powder or organic powder; wherein the hot melt sealing layer is a layer of polymer material, the polymer material having a hot-melt temperature of 100°C-180°C; wherein the water-based sealing layer is a polymer aqueous emulsion layer or a polymer aqueous resin layer, wherein the water-based sealing layer has a dry coating amount of 1g/m 2 - 5g/m 2. 1) forming a hot melt sealing layer on the upper surface of the raw paper layer by the way of slit coating, moreover, the slit coating having a temperature of 100°C-180°C and a coating amount of 8g/m 2 -18g/m 2; 2) forming a water-based sealing layer on the surface of the hot melt sealing layer by the way of gravure printing, wherein the water-based sealing layer has a curing temperature controlled at 80°C-120°C, a surface smoothness controlled at 400s-1000s, and a paper moisture content <5%; 3) forming a vacuum aluminum-plated layer on the surface of the water-based sealing layer by the way of vacuum-aluminizing; 4) forming a water-based protective layer on the surface of the vacuum aluminum-plated layer by the way of gravure printing, wherein the water-based protective layer has a dry coating amount of 1g/m 2 -5g/m 2 and a curing temperature of 80°C-120°C; 5) forming a moisture-retaining and aroma-keeping layer on the lower surface of the raw paper layer by the way of roll coating or spray coating, wherein the moisture-retaining and aroma-keeping layer has a dry coating amount of 1g/m 2 - 5g/m 2 and a curing temperature of 80°C-120°C; 6) forming a moisture returning layer on the lower surface of the moisture-retaining and aroma-keeping layer by adding water to the lower surface of the raw paper layer for wet-processing, so as to control moisture content of finished paper to 5% ± 1%; wherein the moisture-retaining and aroma-keeping layer is a material layer of inorganic powder or organic powder; wherein the hot melt sealing layer is a layer of polymer material, the polymer material having a hot-melt temperature of 100°C-180°C; wherein the water-based sealing layer is a polymer aqueous emulsion layer or a polymer aqueous resin layer, wherein the water-based sealing layer has a dry coating amount of 1g/m 2 - 5g/m 2. wherein the moisture-retaining and aroma-keeping layer is a material layer of inorganic powder or organic powder; wherein the hot melt sealing layer is a layer of polymer material, the polymer material having a hot-melt temperature of 100°C-180°C; wherein the water-based sealing layer is a polymer aqueous emulsion layer or a polymer aqueous resin layer, wherein the water-based sealing layer has a dry coating amount of 1g/m 2 - 5g/m 2.