The invention provides a technology for growth promoting organic fertilizer through algal mud and rotten chicken manure and a product of the technology, belonging to the agricultural intensive production technology. The prescription includes common rotten chicken mature (93% based on weight ratio, similarly hereinafter) and algal mud salved from Lake Taihu (7% of dry matter); the technical process comprises the following steps: mixing the raw materials based on the optimal prescription, fermenting in strip stack type, and overturning once each day, and fermenting for 6 days. The prepared fertilizer includes 2 to 3% of total nitrogen, 5 to 7% of total azophoska, over 45% organic matter, and less than 4 mu g/kg microcystic toxins LR and RR; and the fertilizer is rich in beneficial amino acid; and the free amino acid content is 8.4g/kg. The growth promoting organic fertilizer provided by the invention has obvious growth promoting effect to the industrial crops and the food crops.