diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a47cb18
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,58 @@
+# --------------------
+# Python 
+# --------------------
+__pycache__/
+*.py[cod]
+*.pyo
+*.pyd
+*.so
+
+# Packaging
+dist/
+build/
+*.egg
+*.egg-info/
+.eggs/
+*.whl
+
+# log/temp
+*.log
+*.tmp
+*.temp
+*.out
+
+# --------------------
+# virtual environment
+# --------------------
+JAX-venv/
+venv/
+.venv/
+env/
+ENV/
+
+# --------------------
+# Jupyter
+# --------------------
+.ipynb_checkpoints/
+*.nb.py
+
+# --------------------
+# VS Code
+# --------------------
+.vscode/
+.history/
+*.code-workspace
+
+# --------------------
+# Operate system
+# --------------------
+.DS_Store
+Thumbs.db
+
+# --------------------
+# editor temp files
+# --------------------
+*.swp
+*.swo
+*~
+
diff --git a/JAX/README.md b/JAX/README.md
index 3a9c5c8..eeda68e 100644
--- a/JAX/README.md
+++ b/JAX/README.md
@@ -40,8 +40,20 @@ devices: [CudaDevice(id=0)]
 x.device: cuda:0
 ```
 
+Structure of the project:
+```
+JAX/
+  ├─ JAX-venv/        
+  ├─ src/             # Python codes
+  ├─ notebooks/       # Experimental notebook
+  ├─ tests/           # Unit tests
+  └─ pyproject.toml   # Or requirements.txt
+```
 ### Source
 [1] https://uvadlc-notebooks.readthedocs.io/en/latest/
+
 [2] https://www.sciencedirect.com/science/article/pii/S0045782524008260?via%3Dihub
+
 [3] https://docs.jax.dev/en/latest/automatic-differentiation.html
+
 [4] https://docs.jax.dev/en/latest/jit-compilation.html