1. No place to store shopping cart
1.1. Shopping carts arbitrarily placed
1.1.1. Affect the shopping environment.
1.1.1.1. Responsible department for recycling shopping cart
1.2. Checkout is blocked by shopping cart
1.2.1. Coin-operated unlocking shopping cart
2. Shopping experience
2.1. The supermarket is too big
2.1.1. the goods are not easy to find
2.1.1.1. Add navigation to the shopping cart
3. Shopping cart design
3.1. Wheels
3.1.1. Too loose, resulting in insufficient brakes
3.1.2. Too tight, not easy to push
3.2. Basket
3.2.1. The metal is too heavy to control the direction
3.2.2. Mesh basket
3.2.2.1. Difficult to clean
3.2.2.2. Easy to pinch fingers for children
3.2.3. Too deep
3.2.3.1. It's too much trouble to bend over to get things
3.2.4. Too big
3.2.4.1. Blocking the supermarket road
4. Housewife
4.1. Large amount of shopping
4.1.1. Need a big shopping cart
4.1.1.1. Pushing a shopping cart is easier than carrying a shopping basket
4.1.1.2. Can put more items
5. Save time
5.1. Electronic shopping
5.1.1. The shopping cart automatically scans the price of the goods
5.1.2. Pay with e-banking
5.1.3. Save time in queuing for payment
6. Child
6.1. Add a to the shopping cart
6.1.1. Foldable
6.1.1.1. save space for customers without children
6.1.2. Safety
6.1.2.1. Child seats face to customers are safer
6.1.2.2. shop more attentively when children within sight
6.1.2.3. baffle
6.1.2.3.1. Protect children's fingers
6.1.3. Anti-lost