1. The Jew's-ear protein extraction by ultrasonic method was studied.

2. Looking like usual Jew's-ear, you can find that it has tea scent when you eat it.

3. Jew's-ear amylase also has the function of anti hepatitis and anti saltation .

4. Lead and cadmium in jew's-ear were determined by flame atomic absorption spectrometry.

5. The key technique of compressing package for jew's-ear was reported in this paper.

6. At the same time, a reclaiming experiment for lead and cadmium in jew's-ear was made. The recovery and the RSD are 95% - 105% and 5%, respectively. The method was accurate.