1. Different product systems: P&G is divided into three systems: beauty, health and home, while Unilever is divided into three systems: personal care, home care and food.

2. The number of brands is different: P&G has 22 brands, while Unilever has 15 brands.

3. Different core products: The core products of P&G and Unilever are beauty and hair care, skin care, bathing and laundry products.

4. Different food brands: P&G's food brand is Pinker potato chips, while Unilever's food brands include Heluxue ice cream, Lipton black tea, Four Seasons peanut butter and Le Jia thick soup.