In Japan, "sea woman" sea pearl has 2000 years of history, "sea woman" before the water only in the face smear sunscreen and anti-corrosion grease, deep enough to breathe deeply, jump into the submarine, seize pearl and sea . Initially, they only in the near-shore shallow sea fishing. Later, the "sea women" who had to sneak into the deep sea, their face wearing goggles, waist line of life-saving rope, sneak into the deep sea, with a special knife, pry off the seabed stone beads, and then back to the sea. In modern times, due to the development of pearl aquaculture, the original "sea women" most of the past is no longer as submarine fishing pearl pearl, but go to artificial cultivation of cultured pearls go up. Therefore, engaged in mining mother of pearl "sea woman" less and less. However, so far in the Japanese coast there are still 7,000 women, as a reserved "special effects", and the inheritance of their ancestors, continue to do "sea woman" work. Its purpose is to foreign guests or tourists. One time Queen Elizabeth II and her husband Prince Philip, on Japan's visit to the country during the visit to watch the birds feather pearl "sea woman" performance.