The invention discloses a processing method of an instant dried sliced flavor razor clam, and relates to the technical fields of processing and storing of foods. The method comprises the following steps: with fresh razor clams as raw materials, selecting and pre-treating the raw materials; reducing and purifying living bacteria; cooking to take meat; blending, baking and samming; quantitatively packing; and sealing in vacuum, so as to prepare the instant dried sliced flavor razor clam. The moisture content of the razor clam disclosed by the invention is reduced to 8% after being baked, so that the product can be stored at normal temperature for a long time without subsequent sterilization; the flavor quality of the product is improved when the product safety is ensured; the requirements of customers on safety, convenience and daintiness of modern products are met, the production steps are simplified, energy consumption is saved, and the processing method has a broad market prospect.