diff --git a/README.md b/README.md
index 07c9532..b8e05c3 100644
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+++ b/README.md
@@ -478,6 +478,8 @@ Elastic Net](https://web.stanford.edu/~hastie/Papers/elasticnet.pdf)
 
 - [Neural Networks and Deep Learning Online Book](http://neuralnetworksanddeeplearning.com/)
 
+- [Understand what is Deep Learning](https://www.scaler.com/topics/what-is-deep-learning/)
+
 - Neural Machine Translation
 
     - **[Machine Translation Reading List](https://github.com/THUNLP-MT/MT-Reading-List#machine-translation-reading-list)**