The main component of Maeda ibuprofen suspension and Merrill Lynch is ibuprofen, which has similar effects and is mainly used for reducing fever and relieving pain caused by various reasons. Both of them are powerful antipyretics, and Merrill Lynch is basically used in children's hospitals, with a high reputation. After the epidemic prevention was released, the demand for drugs was in short supply, which led to further price increase, while Maeda's popularity was low, parents didn't know it, and the price remained unchanged, so Merrill Lynch was much more expensive than Maeda.