Legal analysis: As a catering industry, the school canteen is obliged to provide qualified meals and services. If hair is eaten in the meal, it is unqualified food, which constitutes a breach of contract, and it should compensate consumers for ten times the price. According to Article 147 of the Food Safety Law, anyone who violates the provisions of this law and causes personal, property or other damage shall be liable for compensation according to law.

legal basis: if article 147 of the food safety law of the people's Republic of China violates the provisions of this law and causes personal, property or other damage, it shall be liable for compensation according to law.