Merrill is the trade name and its generic name is Ibuprofen Suspension. When a three-year-old and ten-month-old baby has a fever again after drinking ibuprofen suspension 4 times, the cause of the fever needs to be clarified and targeted treatment or therapy is needed along with physical cooling. Ibuprofen Suspension is mainly used to treat fever caused by common cold or influenza in children, not more than 4 times every 24 hours. If the baby still has fever after 4 times of use, it is necessary to actively carry out physical cooling, such as the use of warm water external compresses on the forehead of the child, reduce the clothing worn, etc., and to clarify the causes of fever, and to carry out targeted treatment. If the respiratory tract infection caused by bacterial infection, need to actively use antibacterial drugs such as cefaclor, cefuroxime for anti-infection treatment. If it is rheumatic immune disease, immunosuppressant is needed for treatment; if it is blood tumor related disease, chemotherapy, bone marrow transplantation and other treatments are needed. All of the above drugs should be used under the guidance of a doctor, avoid self-medication. There are many other causes of fever in three-year-old ten-month-old babies, so it is recommended to consult a doctor in time and be evaluated and treated by a specialist to avoid delaying the condition.