The invention discloses a quality-guaranteed fresh keeping processing method of pinctada martensii meat, and belongs to the technical field of processing of marine products. The quality-guaranteed fresh keeping processing method of pinctada martensii meat comprises the working procedures of performing soaking and cleaning in seawater, removing surface mucosa, performing fishy smell removal treatment, performing sterilization treatment, performing precooling treatment, performing soaking treatment in quality-guaranteed fresh keeping liquid, performing vacuum packing and the like. The quality-guaranteed fresh keeping processing method of pinctada martensii meat provided by the invention can perform quality-guaranteed fresh keeping processing on the pinctada martensii meat, people in inland remote districts can taste the primary taste of the pinctada martensii meat, nutrients and moisture can be guaranteed not to flow out, at the premise that mouth feel is guaranteed, storage time can beprolonged, the haul distance can be enlarged, the supply cycle of seafood can be prolonged, and the transport cost can be saved. In the processing treatment course, the quality-guaranteed fresh keeping processing method is free from any materials harmful to human bodies, and the eating safety of the pinctada martensii meat can be guaranteed.