diff --git a/doc/fluid/api_guides/high_low_level_api.md b/doc/fluid/api/api_guides/high_low_level_api.md similarity index 100% rename from doc/fluid/api_guides/high_low_level_api.md rename to doc/fluid/api/api_guides/high_low_level_api.md diff --git a/doc/fluid/api_guides/index_cn.rst b/doc/fluid/api/api_guides/index_cn.rst similarity index 100% rename from doc/fluid/api_guides/index_cn.rst rename to doc/fluid/api/api_guides/index_cn.rst diff --git a/doc/fluid/api_guides/low_level/inference.rst b/doc/fluid/api/api_guides/low_level/inference.rst similarity index 100% rename from doc/fluid/api_guides/low_level/inference.rst rename to doc/fluid/api/api_guides/low_level/inference.rst diff --git a/doc/fluid/api_guides/low_level/optimizer/optimizer_all.rst b/doc/fluid/api/api_guides/low_level/optimizer/optimizer_all.rst similarity index 100% rename from doc/fluid/api_guides/low_level/optimizer/optimizer_all.rst rename to doc/fluid/api/api_guides/low_level/optimizer/optimizer_all.rst