The main reasons for food waste in retail are the surplus food in supermarkets and restaurants and the waste of consumers.

The problem of food waste and hunger is an important problem that needs to be solved globally at present. Reducing food waste through innovative technology and effective measures is the key to solve the global hunger problem. We should strengthen transnational cooperation, formulate and implement feasible policies and measures to reduce waste, raise people's awareness of cherishing and rationally utilizing food, and work hard to achieve the goal of zero hunger.

intensify the publicity of strict economy. Carry out thematic publicity in an all-round and multi-angle way, and strengthen the publicity of relevant laws and policies. Call on the retail industry to carry out big data logistics control, and advocate the scientific quantity and ordering of food and beverage stores. Strengthen the popularization of knowledge about food saving. Organize experts to go deep into enterprises, agricultural machinery stations, grain depots, etc., popularize scientific and technological knowledge and technology, and go deep into the fields.

explain popular science knowledge and practical technology to farmers. Strengthen the classroom education of saving food. Incorporate the reduction of food loss and waste into the teaching system of primary and secondary school students throughout the country, and set up food saving training courses to make food saving an integral part of evaluating students' comprehensive quality. Set a positive and negative model.

Innovate ways to reduce food waste:

1. Improve agricultural technology and management level: By popularizing modern agricultural technology and scientific management methods, improve crop yield and quality, and reduce food losses caused by pests and natural disasters.

2. Develop grain storage and transportation technology: improve grain storage and transportation facilities and adopt efficient packaging, storage and transportation technology to reduce grain loss rate.

3. Strengthen cooperation with consumers: guide consumers to reduce waste by strengthening consumer education and raising awareness, for example, by formulating guidelines for rational food consumption and publicizing saving meals.

4. promote the circulation of agricultural products: establish a sound circulation system of agricultural products, reduce the problem of agricultural products hanging upside down, ensure that agricultural products can be smoothly transported from the place of origin to consumers, and reduce losses.