[root@orcl ~]# systemctl status mysqld.service
● mysqld.service - MySQL Server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
Active: active (running) since Tue 2023-10-17 16:27:34 CST; 2min 11s ago
Docs: man:mysqld(8)
http://dev.mysql.com/doc/refman/en/using-systemd.html
Process: 1007 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
Main PID: 1093 (mysqld)
Status: "Server is operational"
Tasks: 43 (limit: 36199)
Memory: 460.9M
CGroup: /system.slice/mysqld.service
└─1093 /usr/sbin/mysqld

Oct 17 16:26:33 orcl systemd[1]: Starting MySQL Server...
Oct 17 16:27:34 orcl systemd[1]: Started MySQL Server.

[root@orcl ~]# systemctl stop mysqld.service

 
[root@orcl ~]# systemctl status mysqld.service
● mysqld.service - MySQL Server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
Active: inactive (dead) since Tue 2023-10-17 16:29:53 CST; 3s ago
Docs: man:mysqld(8)
http://dev.mysql.com/doc/refman/en/using-systemd.html
Process: 1093 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS (code=exited, status=0/SUCCESS)
Process: 1007 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
Main PID: 1093 (code=exited, status=0/SUCCESS)
Status: "Server shutdown complete"

Oct 17 16:26:33 orcl systemd[1]: Starting MySQL Server...
Oct 17 16:27:34 orcl systemd[1]: Started MySQL Server.
Oct 17 16:29:51 orcl systemd[1]: Stopping MySQL Server...
Oct 17 16:29:53 orcl systemd[1]: mysqld.service: Succeeded.
Oct 17 16:29:53 orcl systemd[1]: Stopped MySQL Server.

不是已经提示使用systemctl stop mysql.service命令了么

检查一下你的mysql.service配置的内容，我看你截图的第一个进程应该是手动前台启动的，第二个进程你确认一下受不受mysql.service文件控制，然后在检查一下MySQL数据库的日志和系统的日志，看一下具体日志提示。