(1) According to the materials, "Sudan Red 1" is a chemical stain; "Sudan Red 1" is degraded by human body to form a moderately toxic carcinogen "aniline". Excessive "aniline" is inhaled into the human body, which may lead to tissue hypoxia, poor breathing, damage to the central nervous system and cardiovascular system, and even infertility. Therefore, it has aroused the concern of the whole society.

(2) With regard to food safety, not only individuals need to pay attention to food hygiene, but also the joint efforts of all sectors of society. Therefore, we should not eat food sold on the street without hygiene license; Eat less and don't eat pickled food; Don't drink or eat drinks and food containing preservatives, dyes, etc.

(3) Strengthen food safety monitoring.

So the answer is: (1) "Sudan red 1" is a chemical stain; Sudan red 1 is degraded by human body to form a moderately toxic carcinogen "aniline". Excessive "aniline" is inhaled into the human body, which may lead to tissue hypoxia, poor breathing, damage to the central nervous system and cardiovascular system, and even lead to infertility.

(2) With regard to food safety, not only individuals need to pay attention to food hygiene, but also all sectors of society need to work together. Do not eat food sold on the street without hygiene license; Eat less and don't eat pickled food; Don't drink or eat drinks and food containing preservatives, dyes, etc.

(3) Strengthen the monitoring of food safety and formulate relevant laws.