1. Selection of baby bottle brands When choosing a baby bottle brand, factors such as the material, shape, capacity, and flow rate of the bottle should be taken into consideration. At the same time, choose a brand with good reputation and credibility to ensure the health of your baby. 2. Baby bottles made of different materials. Common baby bottle materials currently on the market include glass, plastic and silicone. Glass is non-toxic and odorless, but fragile; plastic is light and durable, but may contain harmful substances; silicone is soft and durable, but more expensive. Personal needs and preferences should be considered when choosing. 3. The shape of the bottle is suitable for babies at different stages, aiming at the oral development of babies at different stages.