A Study of fungal contamination of a liquid ท็อก in food and milk and how to determine aflatoxin. To study the effect of aflatoxin contamination season in food and milk?The research shows that currently used enzyme-linked immunoabsorbent assay (ELISA) to check what aflatoxin in food and milk. Therefore, all the samples 129 example is average 13.95% of all examples. From the research we can see that the change of the season affect toxin aflatoxin in feed milk.