Shenzhen Zhaowei Machinery&Electronic Co.Ltd(003021) was surveyed by 39 institutions on February 23, 2022. Among them, there are 16 fund management companies, 8 investment companies, 7 securities companies and 6 asset management companies. Based on this research event, we found that the company’s main capital flow showed a net outflow of 253600 yuan in the last five trading days. In the trend dimension, the stock price broke through the 10th line, but the 20th line is still in a downward trend, and there are great differences between the long and short sides.