diff --git a/crates/erg_compiler/lib/external/pandas.d/__init__.d.er b/crates/erg_compiler/lib/external/pandas.d/__init__.d.er
index 327e5022d..26b0275f5 100644
--- a/crates/erg_compiler/lib/external/pandas.d/__init__.d.er
+++ b/crates/erg_compiler/lib/external/pandas.d/__init__.d.er
@@ -1,5 +1,17 @@
+.core = pyimport "core"
+.io = pyimport "io"
+.plotting = pyimport "plotting"
+.util = pyimport "util"
+
 {
     .DataFrame!;
     .Series!;
     .Index;
 } = pyimport "core/api"
+
+{
+    .read_csv!;
+} = pyimport "io/parsers"
+{
+    .read_json!;
+} = pyimport "io/json"
diff --git a/crates/erg_compiler/lib/external/pandas.d/core.d/__init__.d.er b/crates/erg_compiler/lib/external/pandas.d/core.d/__init__.d.er
index e69de29bb..148c5f097 100644
--- a/crates/erg_compiler/lib/external/pandas.d/core.d/__init__.d.er
+++ b/crates/erg_compiler/lib/external/pandas.d/core.d/__init__.d.er
@@ -0,0 +1,5 @@
+.algorithms = pyimport "algorithms"
+.api = pyimport "api"
+.frame = pyimport "frame"
+.indexes = pyimport "indexes"
+.series = pyimport "series"
diff --git a/crates/erg_compiler/lib/external/pandas.d/core.d/algorithms.d.er b/crates/erg_compiler/lib/external/pandas.d/core.d/algorithms.d.er
new file mode 100644
index 000000000..e69de29bb
diff --git a/crates/erg_compiler/lib/external/pandas.d/io.d/__init__.d.er b/crates/erg_compiler/lib/external/pandas.d/io.d/__init__.d.er
new file mode 100644
index 000000000..70a553937
--- /dev/null
+++ b/crates/erg_compiler/lib/external/pandas.d/io.d/__init__.d.er
@@ -0,0 +1,7 @@
+.api = pyimport "api"
+.clipboads = pyimport "clipboards"
+.common = pyimport "common"
+.excel = pyimport "excel"
+.html = pyimport "html"
+.json = pyimport "json"
+.parsers = pyimport "parsers"
diff --git a/crates/erg_compiler/lib/external/pandas.d/io.d/api.d.er b/crates/erg_compiler/lib/external/pandas.d/io.d/api.d.er
new file mode 100644
index 000000000..e69de29bb
diff --git a/crates/erg_compiler/lib/external/pandas.d/io.d/clipboards.d.er b/crates/erg_compiler/lib/external/pandas.d/io.d/clipboards.d.er
new file mode 100644
index 000000000..e69de29bb
diff --git a/crates/erg_compiler/lib/external/pandas.d/io.d/common.d.er b/crates/erg_compiler/lib/external/pandas.d/io.d/common.d.er
new file mode 100644
index 000000000..e69de29bb
diff --git a/crates/erg_compiler/lib/external/pandas.d/io.d/excel.d/__init__.d.er b/crates/erg_compiler/lib/external/pandas.d/io.d/excel.d/__init__.d.er
new file mode 100644
index 000000000..e69de29bb
diff --git a/crates/erg_compiler/lib/external/pandas.d/io.d/html.d.er b/crates/erg_compiler/lib/external/pandas.d/io.d/html.d.er
new file mode 100644
index 000000000..e69de29bb
diff --git a/crates/erg_compiler/lib/external/pandas.d/io.d/json.d/__init__.d.er b/crates/erg_compiler/lib/external/pandas.d/io.d/json.d/__init__.d.er
new file mode 100644
index 000000000..6dfb3249f
--- /dev/null
+++ b/crates/erg_compiler/lib/external/pandas.d/io.d/json.d/__init__.d.er
@@ -0,0 +1,3 @@
+{DataFrame!;} = pyimport "../../core/frame"
+
+.read_json!: (path: PathLike) => DataFrame!
diff --git a/crates/erg_compiler/lib/external/pandas.d/io.d/parsers.d/__init__.d.er b/crates/erg_compiler/lib/external/pandas.d/io.d/parsers.d/__init__.d.er
new file mode 100644
index 000000000..d6b73420c
--- /dev/null
+++ b/crates/erg_compiler/lib/external/pandas.d/io.d/parsers.d/__init__.d.er
@@ -0,0 +1,3 @@
+{DataFrame!;} = pyimport "../../core/frame"
+
+.read_csv!: (path: PathLike) => DataFrame!
diff --git a/crates/erg_compiler/lib/external/pandas.d/plotting.d/__init__.d.er b/crates/erg_compiler/lib/external/pandas.d/plotting.d/__init__.d.er
new file mode 100644
index 000000000..e69de29bb
diff --git a/crates/erg_compiler/lib/external/pandas.d/util.d/__init__.d.er b/crates/erg_compiler/lib/external/pandas.d/util.d/__init__.d.er
new file mode 100644
index 000000000..3de8d778b
--- /dev/null
+++ b/crates/erg_compiler/lib/external/pandas.d/util.d/__init__.d.er
@@ -0,0 +1 @@
+.version = pyimport "version"
diff --git a/crates/erg_compiler/lib/external/pandas.d/util.d/version.d/__init__.d.er b/crates/erg_compiler/lib/external/pandas.d/util.d/version.d/__init__.d.er
new file mode 100644
index 000000000..61d5bf112
--- /dev/null
+++ b/crates/erg_compiler/lib/external/pandas.d/util.d/version.d/__init__.d.er
@@ -0,0 +1 @@
+.Version: ClassType