Can. Sour bean curd has supplemental nutrition, appetizer and digestion, and other effects, sour bean curd is to bean curd as the main ingredients, pork filling, green onion, ginger, garlic, PI County hot sauce, soy sauce, cooking wine, sugar, cooking oil for the auxiliary ingredients made of home cooking, taste slightly spicy. Common pickling method for the development of plastic bottles, however, mineral water bottles of pickled string beans open exploded and does not produce harmful substances, is safe to eat, but pickling should pay attention to the pickling time should not be less than 10 days to eat.