1, Dr. Brown (Debao): Debao is a well-known brand of baby products in the United States. Its shaking cup is designed to prevent flatulence, which can effectively reduce the baby's swallowing of air and reduce the occurrence of flatulence. However, the shaking cup of Debao is more complicated, which requires certain skills in cleaning and assembly, and it is easy to breed bacteria if it is not thoroughly cleaned.

2.TommeeTippee: Tang is a British baby product brand, and its rocking cup is ergonomically designed, which is comfortable to hold and convenient for babies to hold. However, Tang's shaking cup is relatively large and not suitable for taking out.

3.NUK: Nuk is a brand of baby products in Germany. Its rocking cup is designed with grooves, which can effectively reduce the baby's swallowing of air and flatulence. However, Newcay's shaking cup is heavy, which is not suitable for the baby to take it by himself.