The invention relates to the computer field, and discloses a kernel update method and device, and computer equipment. The computer device executes the kernel update method to update the loadable kernel module in the kernel; firstly, the first interface mapping table is set to invalid, and the invalid first interface mapping table makes the interface module stop sending service requests of business applications to the first The driving logic of the driving logic module, so that the first driving logic module suspends providing driving services for business applications; then replace the first driving logic module in the loadable kernel module with the second driving logic module, and add it in the second interface mapping table Each interface in the interface module and the driving logic in the second driving logic module corresponding to the interface are recorded in . After the loadable kernel module is updated, the second driver logic module executes the driver logic on the new service request forwarded by the interface module according to the second interface mapping table, so as to resume providing driver services for business applications.