Abstract: In order to confirm the uptake and accumulation characteristics of mercury by crops, a pot experiment was conducted to study the growth, uptake and accumulation characteristics of mercury by soybean and wheat planted in the soil with mercury dosage of 0-3.0 mg/kg. The results showed that: adding mercury to the soil reduced the plant height and the grain numbers of wheat, and the mercury content of roots and shoots of wheat gradually increased. However, no significant impact was found on soybean. In addition, appropriate amount of low concentration of mercury could increase the grain weight per pot of the two crops. On the other hand, the mercury content of shoots of soybean was higher than wheat, which of roots showed the same rule in soil with low concentration of mercury. But the mercury content of roots of wheat was higher than soybean in soil with high concentration of mercury. The translocation factors (TF) of the wheat was higher than soybean in soil with no mercury added, which of the soybean was higher in soil with mercury added. The bio-concentration factors (BCF) of soybean were in the following order: root＞stem＞leaf. BCF of wheat in soil with no mercury added was stem and leaf＞root, which was root＞stem and leaf for other treatments.