diff --git a/README.md b/README.md
index fccb5f985b384c8e4f1fe968d3741ac4492d9063..22d931bedf747635febe1a50861ba7aa97d800c5 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,18 @@ make
 |ライン数|256|
 |盤面サイズ(探索時)|128X128|
 
+# Basic parameters
+
+|パラメタ|設定値|説明|
+|---|---|---|
+|Outer loop (SA_O)|100|SA parameter in global placement|
+|Inner loop (SA_I)|100,000|SA parameter in global placement|
+|Start temperature (TEMP_S)|500|SA parameter in global placement|
+|End temperature (TEMP_E)|0.1|SA parameter in global placement|
+|LOOP|50|# of solutions generated in a single trial|
+|TRY_LIMIT|500|Limit of # of trials|
+|NO_MOVE|10|Search will be ended when no solution improvement continues for NO_MOVE trials|
+
 # ToDo
 
 * ~~ブロックを詰める作業の精度向上(現状，右下にスペースが生まれるような結果になりやすい)~~ →分割手法導入のため優先度低