diff --git a/2807_juxing/Readme.md b/2807_juxing/Readme.md
new file mode 100644
index 0000000..b4f8d75
--- /dev/null
+++ b/2807_juxing/Readme.md
@@ -0,0 +1,3 @@
+# 标题
+
+* 内容
\ No newline at end of file
diff --git a/2807_juxing/doc/Readme.md b/2807_juxing/doc/Readme.md
new file mode 100644
index 0000000..4e768b5
--- /dev/null
+++ b/2807_juxing/doc/Readme.md
@@ -0,0 +1 @@
+# 
\ No newline at end of file
diff --git a/2807_juxing/doc/鐭╁舰.pdf b/2807_juxing/doc/鐭╁舰.pdf
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index 0000000..9c9b3ea
Binary files /dev/null and b/2807_juxing/doc/鐭╁舰.pdf differ
diff --git a/2807_juxing/main.cpp b/2807_juxing/main.cpp
new file mode 100644
index 0000000..9d845e3
--- /dev/null
+++ b/2807_juxing/main.cpp
@@ -0,0 +1,80 @@
+#include <iostream>
+using namespace std;
+struct xy {
+    int x[5], y[5];
+} a[2];
+
+int hx(int a, int b)
+{
+    return a < b ? a : b;
+}
+int hd(int a, int b)
+{
+    return a > b ? a : b;
+}
+
+void cfind()
+{
+    for (int i = 1; i <= 4; i++) {
+        if (a[0].x[i] >= a[1].x[3] && a[0].x[i] <= a[1].x[4]) {
+            if (a[0].y[i] >= a[1].y[3] && a[0].y[i] <= a[1].y[4]) {
+                cout << "Y" << endl;
+                return;
+            }
+        }
+    }
+    a[1].x[3] = a[1].x[1];
+    a[1].y[3] = a[1].y[2];
+    a[1].x[4] = a[1].x[2];
+    a[1].y[4] = a[1].y[1];
+    a[0].x[3] = hx(a[0].x[1], a[0].x[2]);
+    a[0].y[3] = hx(a[0].y[2], a[0].y[1]);
+    a[0].x[4] = hd(a[0].x[1], a[0].x[2]);
+    a[0].y[4] = hd(a[0].y[2], a[0].y[1]);
+    for (int i = 1; i <= 4; i++) {
+        if (a[1].x[i] >= a[0].x[3] && a[1].x[i] <= a[0].x[4]) {
+            if (a[1].y[i] >= a[0].y[3] && a[1].y[i] <= a[0].y[4]) {
+                cout << "Y" << endl;
+                return;
+            }
+        }
+    }
+    cout << "N" << endl;
+    return;
+}
+
+int main()
+{
+    int n;
+    cin >> n;
+    for (int i = 1; i <= n; i++) {
+        for (int j = 1; j <= 2; j++) {
+            int cx, cy;
+            cin >> cx >> cy;
+            a[0].x[j] = cx + 100000;
+            a[0].y[j] = cy + 100000;
+        }
+        a[0].x[3] = a[0].x[1];
+        a[0].y[3] = a[0].y[2];
+        a[0].x[4] = a[0].x[2];
+        a[0].y[4] = a[0].y[1];
+        for (int j = 1; j <= 2; j++) {
+            int cx, cy;
+            cin >> cx >> cy;
+            a[1].x[j] = cx + 100000;
+            a[1].y[j] = cy + 100000;
+        }
+        a[1].x[3] = hx(a[1].x[1], a[1].x[2]);
+        a[1].y[3] = hx(a[1].y[2], a[1].y[1]);
+        a[1].x[4] = hd(a[1].x[1], a[1].x[2]);
+        a[1].y[4] = hd(a[1].y[2], a[1].y[1]);
+        // for(int j=1;j<=4;j++){
+        //     cout<<a[0].x[j]<<","<<a[0].y[j]<<endl;
+        // }
+        // for(int j=1;j<=4;j++){
+        //     cout<<a[1].x[j]<<","<<a[1].y[j]<<endl;
+        // }
+        cfind();
+    }
+    return 0;
+}
diff --git a/2807_juxing/main.exe b/2807_juxing/main.exe
new file mode 100644
index 0000000..09c080a
Binary files /dev/null and b/2807_juxing/main.exe differ
diff --git a/2807_juxing/test/in.txt b/2807_juxing/test/in.txt
new file mode 100644
index 0000000..9bb56d9
--- /dev/null
+++ b/2807_juxing/test/in.txt
@@ -0,0 +1,3 @@
+2
+1 1 6 6 4 7 9 2
+-1 -1 4 4 1 1 2 2
\ No newline at end of file
diff --git a/2807_juxing/test/in2.txt b/2807_juxing/test/in2.txt
new file mode 100644
index 0000000..c57c326
--- /dev/null
+++ b/2807_juxing/test/in2.txt
@@ -0,0 +1,6 @@
+5
+71477 10242 75962 97808 -51719 84770 -24057 -71111 
+82862 -71566 24935 16323 96922 -20780 37585 -94363 
+66083 -16416 -96013 -24708 70829 3060 60269 25518 
+-19043 74452 807 68912 -51897 74823 -13870 -34404 
+97218 50023 19848 41769 -21715 -44688 62372 91639 
diff --git a/2807_juxing/test/in3.txt b/2807_juxing/test/in3.txt
new file mode 100644
index 0000000..9ab19cd
--- /dev/null
+++ b/2807_juxing/test/in3.txt
@@ -0,0 +1,6 @@
+5
+-68701 -77642 -24308 -95981 -87068 38997 -61304 16257 
+80136 -73984 -31017 46761 -43215 28021 -73542 45727 
+16289 14381 -83054 -24610 -10238 15403 19532 -21933 
+95228 -62011 -6381 51659 -19048 -95222 -52091 -82002 
+-39644 72117 -8007 -64754 57946 87196 -56253 -25567 
diff --git a/2807_juxing/test/out.txt b/2807_juxing/test/out.txt
new file mode 100644
index 0000000..351bfff
--- /dev/null
+++ b/2807_juxing/test/out.txt
@@ -0,0 +1,30 @@
+## z:\Chao\src\2807_juxing\test\in.txt 
+2020/06/25 周四 21:38:43.75 
+Y
+Y
+
+-----------------------------------------------
+Process exited after 170 ms with return value 0
+
+## z:\Chao\src\2807_juxing\test\in2.txt 
+2020/06/25 周四 21:38:43.75 
+N
+Y
+N
+Y
+Y
+
+-----------------------------------------------
+Process exited after 100 ms with return value 0
+
+## z:\Chao\src\2807_juxing\test\in3.txt 
+2020/06/25 周四 21:38:43.75 
+N
+N
+Y
+N
+Y
+
+-----------------------------------------------
+Process exited after 90 ms with return value 0
+