diff --git a/README.md b/README.md
index 8ba02b7fb7353eb03bc431079ab7a7835b317e75..80c8dfa9addcbd11f8879ce5bc531e426f9af260 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,12 @@ Parakeet aims to provide a flexible, efficient and state-of-the-art text-to-spee
 
 ## Installation
 
+### Install Paddlepaddle
+
+See [install](https://www.paddlepaddle.org.cn/install/quick) for more details. This repo requires paddlepaddle's version is above 1.7.
+
+### Install Parakeet
+
 ```bash
 # git clone this repo first
 cd Parakeet
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 50a1da68a63b99608a9623d1ed16faa1e14f8115..0000000000000000000000000000000000000000
--- a/requirements.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-numba==0.45.1
-numpy==1.16.4
-nltk==3.4.4
-scipy
-unidecode==1.1.1
-inflect==2.1.0
-librosa==0.7.0
-tqdm==4.35.0
-tensorboardX==1.8
-matplotlib
-requests==2.22.0
-lws==1.2.4
-nnmnkwii
-tensorboard