How to delete the extra blank lines of a Word document copying and pasting an article

1, the following figure a document is not a lot of space ah, how to delete it.

2, using the search in Word to replace or?? Trl+h as shown in the following figure.

3. Now click "Special format-paragraph mark" In the Replace Find dialog and see the paragraph mark ^p as shown in the figure.

4, now we repeat step 3, find the content followed by two consecutive paragraph marks ^p^p

5. Now we move the cursor to the dialog box and replace it with a row, repeat step 3, and replace it with a row showing the following figure. Click Replace All. This solves the problem.