The invention provides a timed-feeding automatic weighing feeder for feeding tests. The timed-feeding automatic weighing feeder includes an outer box body, a chute and a liner groove which are sequentially arranged in a sleeving mode from outside to inside, as well as a protective cover. The bottom of the outer box body is provided with an electronic scale, a clock chip and a memory card. The backof the outer box body is provided with a fixing device. A keyboard includes a power switch key, a start key, an end key, a view button, a date key, a timing key and an up and down adjustment button.The automatic weighing feeder further includes an automatic timed weighing unit and an automatic data storage unit. The upper end of the outer box body is provided with a cover body. A rotating shaftand a stepping motor are disposed at the upper end of the rear side of the outer box body. The rotating shaft is located in a sleeve. The timed-feeding automatic weighing feeder can conveniently and automatically weigh the amount of feed, timed weighing and timed feeding can be performed, and timed feeding with an intuitive data package is performed.