2 files changed, 28 insertions, 0 deletions

diff --git a/docs/testing/developer/devguide/index.rst b/docs/testing/developer/devguide/index.rst
index 2b4bd9b0..89113e56 100644
--- a/docs/testing/developer/devguide/index.rst
+++ b/docs/testing/developer/devguide/index.rst
@@ -10,6 +10,7 @@ QTIP Design Specifications
 .. toctree::
    :maxdepth: 2
 
+   overview.rst
    arch.rst
    cli.rst
    api.rst
diff --git a/docs/testing/developer/devguide/overview.rst b/docs/testing/developer/devguide/overview.rst
new file mode 100644
index 00000000..4ccaae20
--- /dev/null
+++ b/docs/testing/developer/devguide/overview.rst
@@ -0,0 +1,27 @@
+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) 2017 ZTE Corp.
+
+
+########
+Overview
+########
+
+QTIP uses Python as primary programming language. The structure of repository is based on the recommended sample in
+`The Hitchhiker's Guide to Python`_
+
+==============  ==========================================================================
+Path            Content
+==============  ==========================================================================
+./benchmarks/   builtin benchmark assets including plan, QPI and metrics
+./contrib/      independent project/plugin/code contributed to QTIP
+./docker/       configuration for building Docker image for QTIP deployment
+./docs/         release notes, user and developer documentation, design proposals
+./legacy/       legacy obsoleted code that is unmaintained but kept for reference
+./opt/          optional component, e.g. scripts to setup infrastructure services for QTIP
+./qtip/         the actual package
+./tests/        package functional and unit tests
+./third-party/  third part included in QTIP project
+==============  ==========================================================================
+
+.. _The Hitchhiker's Guide to Python: http://python-guide-pt-br.readthedocs.io/en/latest/writing/structure/