It is suggested to add MathType button directly in word, so that the formula will be automatically formed in word after editing, and problems such as adjustment will be eliminated. The steps are as follows:

1. Click the "File" button;

2. Click Add-ins;

3. Click "Start";

4. Click Add. Find the installation path of MathType and select the file shown below. Click "OK";

5. Select the template selected in the previous step;

6. Click OK. If the following situations occur, the formula will be automatically inserted into word after editing, and the default unified format size can also be adjusted by itself.