The effects of salt concentration,temperature,calcium chloride and sodium metabisulphite and sample size on firmness of Dendrocalamus latiflorus were compared and investigated.The results showed that pickling condition has great influence on the change of firmness of bamboo shoots during pickling.It was found that the best condition to keep the firmness was high salt concentration,low temperature,high calcium chloride and sodium metabisulphite concentration and thick conditions.