The invention discloses a fermented flavorbamboo shoot and a preparation method thereof. The fermented flavorbamboo shoot is prepared from bamboo shoots, residue of soya, salt, hot pepper, Chinese red pepper, garlic, clove, fresh ginger, calcium lactate, calcium chloride and pectin esterase in a certain proportion. The method comprises the following steps: (1) fetching bamboo shoots and peeling the shells thereof, putting the bamboo shoots into clear water to wash and clean repeatedly, and poaching the bamboo shoots to fix color; (2) fetching Chinese red pepper, garlic, clove, calcium lactate, calcium chloride and fresh ginger and the color-fixed bamboo shoots, adding ingredients, uniformly mixing, performing ultrasound under ultrasonic wave, and placing the mixture in a pickler; (3) fetching residue of soy and pectin esterase to stir in the pickler, uniformly stirring, and pickling; (4) packaging, sterilizing and naturally cooling the bamboo shoots obtained by pickling, and obtaining the fermented flavor bamboo shoot. The formula is reasonable, and the use is convenient. The fermented flavor bamboo shoot has the advantages of crisp taste, unique flavour, attractive colour, portability, and immediate eating as opening. The method is feasible, and the operation is simple. The original nutritional components of bamboo shoots are reserved and enriched, the fresh bamboo shoots are prevented from aging, and the quality and character of bamboo shoots are guaranteed.