The invention discloses a pickle nutrient solution for preparing pickles. An optimized formula of the pickle nutrient solution comprises, by weight, water 90 parts, salt 3 parts, granulated sugar 5 parts, peppercorns 0.8 part, anise 0.1 part, cyanide 0.1 part, garlic 0.5 part, hot pepper 0.3 part and fresh ginger 0.2 part. The invention further provides a pickle granule bagged type fermentation preserving technology which comprises the steps of raw material preparation, nutrient solution preparation, bagging and fermentation. The bagged type fermentation preserving technology is adopted to enable a quality guarantee period of the pickles to be prolonged to 2-3 months compared with common pickles. Traditional flavor of the pickles are retained, the content of nutrient substance is increased, preservation and transportation are very convenient, and people can easily eat the pickles.