A collapsible feeder, relating to a pet feeder, includes a top cover, a collapsible barrel body, a discharge port, a base and a food basin. The food basin is disposed at one end of the base, and the collapsible barrel body is disposed at the other end of the base. The top cover is disposed at the top of the collapsible barrel body. A bottom of the collapsible barrel body is higher than a rim of the food basin, and the discharge port forms an angle of 30 degrees with respect to a horizontal line of a bottom of the food basin.
