1, depending on the shelf life: canned yellow peaches on the market generally have a shelf life. Judge whether the canned yellow peach is bad or not, just look at the shelf life directly. Don't eat it after it expires.

2, look at the color: generally good quality canned yellow peaches, the pulp inside is bright yellow, if there is discoloration, such as black, brown, white foam, then such canned yellow peaches are generally not recommended to eat, and have deteriorated.

3, look at the appearance: under normal circumstances, canned peaches with good quality are relatively large, generally about half the size. Canned yellow peaches may go bad if their shapes are incomplete or become soft and sticky. It is not recommended to eat any more at this time.

4. Smell: A good canned yellow peach has a rich flavor and a better taste after opening, while a deteriorated canned yellow peach will be sour, alcoholic, bitter and sour after opening.