# LAYON Command [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) **Function Description:** This command is used to turn on all layers in the drawing. All layers that were previously turned off are turned back on. Objects created on those layers become visible, unless the layers are frozen. **Command Access:** > **Icon:** ![](Help%20System/GSTARCAD/2027/assets/ec1774fbd981e3a3785460d936ee1f7db1341aabc43332ef44aee5f52aa34002.png) > **Menu:** Format > Layer Tools > Turn All Layers On > **Ribbon:** Home > Layer > LAYON > **Toolbar:** / > **Command:** LAYON > **Alias:** / **Command Prompts:** ``` All layers have been turned on. ``` --- **Related References：** - [Commands about Layers (GstarCAD 2026)](../../2026/Commands/Command%20Groups/Commands%20about%20Layers.md) **Related Tasks：** - [To Work with Layers (GstarCAD 2026)](../../2026/Commands/To%20Work%20with%20Layers.md) - [To Change the Visibility of Layers (GstarCAD 2026)](../../2026/Commands/To%20Change%20the%20Visibility%20of%20Layers.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/LAYON.html) · © Gstarsoft Co., Ltd.