Appearance difference: blood orange is small and round, navel orange is large and oval. Navel orange is crowded, but blood orange is not.

Pulp distinction: After the ripe blood orange is cut, the pulp is bloodshot red or crimson. The pulp of navel orange is bright yellow after being cut.

Taste distinction: blood orange tastes sweet and sour, navel orange is sweet, and navel orange has less water than blood orange.