1. Expand brand influence: As a commercial brand, jewelry stores expand brand influence by sending flowers on Valentine's Day to enhance consumers' awareness and goodwill towards the brand.

2. Expand customer base: By sending flowers on Valentine's Day, jewelry stores can attract more potential customers and open more channels for their marketing activities and brand promotion.

3. Enhance customer loyalty: Sending flowers to jewelry stores on Valentine's Day can not only attract new customers, but also enhance the loyalty of old customers and make them trust and support the brands and products of jewelry stores more.