Early style design skills:
1: staple food: bread, steamed bread, steamed buns or other cakes.
2. Non-staple food: pickles or other specialties.
3. Beverage: morning tea, coffee, milk, porridge or other liquid food.
4. Design and make a special lunch box for breakfast, and put staple food, non-staple food and drinks in one box, which is convenient for express delivery and sale.
5. The preliminary design should be based on different tastes in different regions.