1. Cactus has fruit, but its fruit is not common. The fruit is very small and its shape is similar to that of pitaya.

2. After the fruit is cut, the appearance inside is similar to that of pitaya, and the pulp is densely covered with tiny seeds.

3. The cactus fruit also has small thorns on it, so you must be careful when eating it. Its fruit tastes a little bitter, but its nutritional value is particularly high.