A microneedle array includes a plurality of hollow needles 11 and a plurality of individual liquid chambers 12 in communication with the hollow needles 11 that each are configured to hold a liquid composition to be ejected from tip end holes of the hollow needles 11. The length of each hollow needle 11 is 1 to 100 µm. The individual liquid chambers 12 are provided corresponding to the hollow needles 11.
