diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9894b92f..471f7ab77 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
 ### 🐞Bug修复
 * 【json   】     修复XML转义字符的问题（issue#I3XH09@Gitee）
 * 【core   】     修复FormatCache中循环引用异常（pr#1673@Github）
+* 【core   】     修复IdcardUtil.getIdcardInfo.getProvinceCode获取为汉字的问题（issue#I3XP4Q@Gitee）
 
 -------------------------------------------------------------------------------------------------------------
 
diff --git a/hutool-core/src/main/java/cn/hutool/core/util/IdcardUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/IdcardUtil.java
index e792cec88..3d8b9ce88 100644
--- a/hutool-core/src/main/java/cn/hutool/core/util/IdcardUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/IdcardUtil.java
@@ -532,6 +532,21 @@ public class IdcardUtil {
 		return (sCardChar % 2 != 0) ? 1 : 0;
 	}
 
+	/**
+	 * 根据身份编号获取户籍省份编码，只支持15或18位身份证号码
+	 *
+	 * @param idcard 身份编码
+	 * @return 省份编码
+	 * @since 5.7.2
+	 */
+	public static String getProvinceCodeByIdCard(String idcard) {
+		int len = idcard.length();
+		if (len == CHINA_ID_MIN_LENGTH || len == CHINA_ID_MAX_LENGTH) {
+			return idcard.substring(0, 2);
+		}
+		return null;
+	}
+
 	/**
 	 * 根据身份编号获取户籍省份，只支持15或18位身份证号码
 	 *
@@ -539,10 +554,9 @@ public class IdcardUtil {
 	 * @return 省份名称。
 	 */
 	public static String getProvinceByIdCard(String idcard) {
-		int len = idcard.length();
-		if (len == CHINA_ID_MIN_LENGTH || len == CHINA_ID_MAX_LENGTH) {
-			String sProvinNum = idcard.substring(0, 2);
-			return CITY_CODES.get(sProvinNum);
+		final String code = getProvinceCodeByIdCard(idcard);
+		if(StrUtil.isNotBlank(code)){
+			return CITY_CODES.get(code);
 		}
 		return null;
 	}
@@ -672,7 +686,7 @@ public class IdcardUtil {
 		 * @param idcard 身份证号码
 		 */
 		public Idcard(String idcard) {
-			this.provinceCode = IdcardUtil.getProvinceByIdCard(idcard);
+			this.provinceCode = IdcardUtil.getProvinceCodeByIdCard(idcard);
 			this.cityCode = IdcardUtil.getCityCodeByIdCard(idcard);
 			this.birthDate = IdcardUtil.getBirthDate(idcard);
 			this.gender = IdcardUtil.getGenderByIdCard(idcard);