# BLOCKREPLACE Command
[GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) → [B](Help%20System/GSTARCAD/2027/Commands/B/(B).md)
## Function Description:
In the current drawing, you can use one block to replace another one, moreover, you can purge the unreferenced block definition when the operation is finished. Specify the block name to search for by selecting it in the list or by clicking the Pick button and selecting a block in the drawing.
## Command Access:
> **Icon:** 
> **Menu:** Express > Blocks > Replace Block With Another Block
> **Ribbon:** Express > Blocks > Replace Block
> **Toolbar:** ET: Blocks Tools > Replace Block
> **Command:** BLOCKREPLACE
> **Alias:** /
**Command Prompts: /**
## Operation Steps:
1. *Select a block to replace*: bed. Then select "OK".
2. Select the block to be replaced: sofa. Then select "OK".
3. The command line will prompt as shown below.
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**Related Tasks：**
- [To Work With Express Tools (GstarCAD 2026)](../../../2026/Commands/01%20Procedures/To%20Work%20With%20Express%20Tools.md)
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[Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences_B/BLOCKREPLACE.html) · © Gstarsoft Co., Ltd.