The steps are as follows: tools: mobile phone 1, mobile phone desktop stock search software (here, take the straight flush as an example). 2. Open the stock software, enter the main interface and find the search button in the upper right corner. 3. Click the search button and enter the stock code or initials to query (take Kweichow Moutai as an example here). 4. Then click Kweichow Moutai to enter the main interface, and then find the full screen button in Kweichow Moutai interface. 5. Then click the full screen button and find the date option at the bottom of the screen. 6. Find more in the date options, and then click more to select the year. 7. Then select the year to query (here, take 20 16 as an example). 8. After selecting the year, find the turnover in the upper right corner of the screen. 9. Click on the turnover, and the historical data will come out, including the total market value of 20 16, and the query is completed.