The invention discloses a production method of almond powder, which belongs to the technical filed of food processing. The method comprises the following steps: fast peeling almonds by a peeling machine immediately after the almonds are fast steamed by steam; carrying out baking and cold pressing on the almonds until the residual oil content is lower than 10 percent; adding water after the pulverization for preparing materials into paste; grinding the paste; adding warm water; carrying out centrifugation for removing slag; carrying out further centrifugation on supernatant fluid for degreasing; adding emulsifying agents into obtained clear liquid; and obtaining the almond powder through concentration and spray drying. The invention adopts a steam fast steaming peeling method, has low damage degree on the almonds, has the peeling rate higher than 98 percent, and effectively prevents the almond protein denaturation. The almonds are firstly soaked, and then carry out zymohydrolysis detoxication through emulsion, the detoxication time is obviously shortened, the water consumption is saved, the detoxication rate can be higher than 97 percent, and the hydrocyanic acid content in final products of the almond powder is reduced to 2.0 mg/kg. Various indexes such as sensory properties, solubility, protein content and the like of products of the invention are all superior to those of similar products in the existing market.