(1) According to the materials, "Sudan Red No.1" is a chemical stain; "Sudan Red No.1" is degraded by human body to form a moderately toxic carcinogen "aniline". Excessive "aniline" is inhaled into human body, which may cause tissue hypoxia, poor breathing, damage to central nervous system and cardiovascular system, and even lead to infertility. Therefore, it has aroused the concern of the whole society. (2) Regarding food safety, not only individuals need to pay attention to food hygiene, but also all departments of the whole society need to agree. Eat less and don't eat pickled food; Do not drink or eat beverages and foods containing preservatives, dyes, etc.; (3) Strengthen the monitoring of food safety, etc. < P > So the answer is: (1) "Sudan Red 1" is a chemical stain; "Sudan Red No.1" is degraded by human body to form a moderately toxic carcinogen "aniline". Excessive "aniline" is inhaled into human body, which may cause tissue hypoxia, poor breathing, damage to central nervous system and cardiovascular system, and even infertility. (2) Regarding food safety, not only individuals need to pay attention to food hygiene, but also the concerted efforts of all sectors of society. Do not eat street vendors. Eat less and don't eat pickled food; Do not drink or eat beverages and foods containing preservatives, dyes, etc.; (3) Strengthen the monitoring of food safety and formulate relevant laws.