Thorn turtles usually eat plants under natural conditions. Although they sometimes eat meat in captivity, they are fed fruits (especially tomatoes), vegetables and feather coats two to three times a week. Mixed vegetables with kale leaves are the best. Skinned and minced mice can be fed biweekly to adults, but no meat is given to hatchlings and hatchlings.

Most hatchlings and hatchlings prefer tomatoes to any other food, tomatoes It is the best choice for those who are picky eaters to eat regularly. Vitamin supplementation is usually not necessary if the turtle is fed a diet of miscellaneous vegetables. For hatchlings and hatchlings, calcium and phosphate supplementation is required.