The present application provides a liquid crystal display panel and a manufacturing thereof. The liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, and support posts. Each of the support posts includes a support post body and an expandable auxiliary pad. In a first state, the auxiliary pad is in a non-expanded state, and in a second state, the auxiliary pad is in an expanded state. This compensates for a height difference caused by the support post body which cannot be restored after being compressed by an external force and relieves a problem of appearance of Mura in the liquid crystal display panel.