An automatic cattle wormer system to medicate an animal, the automatic cattle wormer system including a base, a vertical post to extend vertically from the base, a horizontal post to extend horizontally from a top portion of the vertical post, the horizontal post including a plurality of spouts disposed on a bottom surface of the horizontal post, a food basin to store food therein, the food basin including two arms extending horizontally from the food basin and being substantially parallel to each other, and a sensor disposed on an inner surface of at least one of the two arms to sense when the animal has entered a space between the two arms, a compound holding box disposed on at least one of the vertical post and the horizontal post to store a deworming compound therein, and a pump to extract the deworming compound from the compound holding box such that the spouts spray the deworming compound out therefrom.