diff --git a/SM2-MFMM-(2).md b/SM2-MFMM-(2).md
index 75ea688..1926513 100644
--- a/SM2-MFMM-(2).md
+++ b/SM2-MFMM-(2).md
@@ -353,3 +353,30 @@ $t_0=0+0$
 ```
 乘法: 5  
 加法：14  
+
+**使用MULXQ/ADCXQ/ADOXQ**:  
+```asm
+	// First reduction step
+	MOVQ acc0, DX
+	MULXQ ·np+0x00(SB), DX, AX
+
+	MULXQ ·p2+0x00(SB), AX, t0
+	ADOXQ AX, acc0               // (carry1, acc0) = acc0 + t0 * ord0
+
+	MULXQ ·p2+0x08(SB), AX, BX
+	ADCXQ t0, AX
+	ADOXQ AX, acc1
+
+	MULXQ ·p2+0x10(SB), AX, t0
+	ADCXQ BX, AX
+	ADOXQ AX, acc2
+	
+	MULXQ ·p2+0x18(SB), AX, acc0
+	ADCXQ t0, AX
+	ADOXQ AX, acc3
+	MOVQ $0, t0
+	ADCXQ t0, acc0
+	ADOXQ t0, acc0
+```
+乘法: 5  
+加法：9  
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