# Change Block Text High
[GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [What's new](Help%20System/GSTARCAD/2017/What's%20new/(What's%20new).md) → [Additional Pages](Help%20System/GSTARCAD/2017/What's%20new/Additional%20Pages/(Additional%20Pages).md)
## Change Block Text High
This function can change the height of the block, it only takes effect on text or mtext, attribute text can’t be changed.
**Menu:** Express\>Blocks\>Change Block Text High
**Command Entry:** bChgHei
## Operation steps:
1. Start the command.

2. Input a new text height value.
3. Select objects whose text heights need to be changed.
4. Enter to finish,the result will be as below:

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