The invention discloses a packaged marinated clam meat and its preparation method. The packaged marinated clam meat is prepared from folia pleioblasti, clam meat, olive oil, Momordica grosvenori, pickled ginger, white sesame seed, salt, matcha, cinnamon, anise, hot pepper, purple perilla seed, fructus amomi, calabash seed and proper amount of water. The clam meat is fried, so that the clam meat has brown surface and great fragrance; through short-term drainage, the clam meat is marinated through a special marinating method; the bamboo leaf powder contains rich active polysaccharides and can play the anti-oxidizing effect; meanwhile, through the ultrasound wave, the micromolecular dietary fiber content is improved; the clam meat can promote digestion.