The invention relates to a production technology for a thermal storage warm-keeping fiber rascher blanket. The technology comprises the following steps of 1, yarn selection; 2, weaving; 3, pre-finishing; 4, dyeing; 5, after-finishing. The whole production technology is optimized and improved, and the fluffiness of the blanket is improved by improving the lustering temperature of the front face; an environment-friendly dye addition agent is selected in the dyeing process, the environment-friendly dye addition agent is absolutely environmentally friendly, the product conforms to international textile industrial green, environment-friendly and ecological development trend, the natural, environment-friendly and comfortable effect is achieved, and good economic and social benefits are achieved through project implementation.