Abstract: The main quantitative characters of 149 wild jujube germplasm were studied, we draw variation condition and correlation of main quantitative characters of wild jujube. Variation and correlation of main quantitative characters of 149 wild jujube germplasm were studied and analyzed. The results showed that: the range of variation coefficient is from 6.94% to 56.18%. Correlation analysis showed there were definitely notable positive relationship between soluble sugar and average fruit weight, and notable positive relationship between soluble sugar and edible rate; definitely notable negative relationship between titratable acid and average fruit weight, definitely notable negative relationship between titratable acid and fruit pit index, notable negative relationship between titratable acid and edible rate, notable negative relationship between titratable acid and thousand kenel weight, definitely notable positive relationship between titratable acid and vitamine C; notable negative relationship between average fruit and vitamine C.