The present invention provides a liquid crystal sealant forming device and a display panel assembly apparatus using the same. The display panel assembly apparatus comprises the liquid crystal sealant forming device, an alignment assembly device, a transporting device and a curing device. The liquid crystal sealant forming device comprises a forming substrate; a plurality of liquid crystal dispensing openings formed on one side of the forming substrate for dispensing a liquid crystal on a substrate; and at least one sealant coating opening disposed around the liquid crystal dispensing openings for coating a sealant on the substrate. The present invention can form the liquid crystal and the sealant in the same apparatus.