diff --git a/0001-Optimizing-the-rand-function-on-arm64-platforms.patch b/0001-Optimizing-the-rand-function-on-arm64-platforms.patch
new file mode 100644
index 0000000000000000000000000000000000000000..7f0599424870eb00ad023809ae4ea11763ea7a29
--- /dev/null
+++ b/0001-Optimizing-the-rand-function-on-arm64-platforms.patch
@@ -0,0 +1,64 @@
+From a71c4a25086acf6f36b18607dfc9d19b3d62bc86 Mon Sep 17 00:00:00 2001
+From: Tian Tao <tiantao6@hisilicon.com>
+Date: Thu, 20 Jul 2023 16:25:44 +0800
+Subject: [PATCH] Optimizing the rand function on arm64 platforms
+
+Armv8.5 adds the FEAT_RNG feature so that true random numbers can be
+obtained from the cpu. This optimization is therefore proposed for the
+arm64 platform.
+
+Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
+---
+ stdlib/rand.c | 32 ++++++++++++++++++++++++++++++++
+ 1 file changed, 32 insertions(+)
+
+diff --git a/stdlib/rand.c b/stdlib/rand.c
+index c250c065e4..f199dbd65f 100644
+--- a/stdlib/rand.c
++++ b/stdlib/rand.c
+@@ -19,10 +19,42 @@
+ 
+ #undef	rand
+ 
++#ifdef __aarch64__
++// A global variable to indicate whether rndr instruction is supported
++static int rndr_supported = 0;
++// A function prototype to check rndr support
++static void check_rndr_support (void) __attribute__ ((constructor));
++#endif
+ 
+ /* Return a random integer between 0 and RAND_MAX.  */
+ int
+ rand (void)
+ {
++  // Use armv8.5 rndr instruction if supported
++#ifdef __aarch64__
++  if (rndr_supported) {
++    unsigned int r;
++    asm volatile("mrs %0, s3_3_c2_c4_0" : "=r" (r));
++    // Discard the least random bit
++    r >>=1;
++    return (int) r;
++  }
++#endif
+   return (int) __random ();
+ }
++
++#ifdef __aarch64__
++// A function to check rndr support and set the global variable accordingly
++static void
++check_rndr_support (void)
++{
++  unsigned long isar0;
++  // Read the ID_AA64ISAR0_EL1 register to check the rndr feature
++  asm volatile("mrs %0, s3_0_c0_c6_0" : "=r" (isar0));
++  // Check the bits [63:60] for the rndr feature
++  if ((isar0 >> 60) & 0xf) {
++    // Set the global variable to indicate rndr support
++    rndr_supported = 1;
++  }
++}
++#endif
+-- 
+2.33.0
+
diff --git a/glibc.spec b/glibc.spec
index f3aee523298d9c87a7e8582ef805afd3d9d64423..f6184964ee76b66df803a4c9a1d87f1154c76d81 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -65,7 +65,7 @@
 ##############################################################################
 Name: 	 	glibc
 Version: 	2.36
-Release: 	18
+Release: 	19
 Summary: 	The GNU libc libraries
 License:	%{all_license}
 URL: 		http://www.gnu.org/software/glibc/
@@ -115,6 +115,7 @@ Patch9014: strcmp-delete-align-for-loop_aligned.patch
 Patch9015: add-pthread_cond_clockwait-GLIBC_2_28.patch
 Patch9016: add-GB18030-2022-charmap-BZ-30243.patch
 Patch9017: 0001-Optimizing-__random-for-single-threaded-scenarios.patch
+Patch9018: 0001-Optimizing-the-rand-function-on-arm64-platforms.patch
 
 Provides: ldconfig rtld(GNU_HASH) bundled(gnulib)
 
@@ -1274,6 +1275,9 @@ fi
 %endif
 
 %changelog
+* Thu Jul 20 2023 jiangyingxin<jiangyingxin1@huawei.com> - 2.36-19
+- Optimizing the rand function on arm64 platforms
+
 * Tue Jul 11 2023 jiangyingxin<jiangyingxin1@huawei.com> - 2.36-18
 - Optimizing __random for single-threaded scenarios