There is no specific time to use rat nerve growth factor for premature babies, it should be used according to the condition under the guidance of the physician. Rat Nerve Growth Factor has a role in promoting the repair of nerve injury, while it has a better free radical scavenging effect, helps to control the relevant damage and promote repair, and can inhibit the apoptosis of nerve cells, it is currently the world’s more widely recognized neurotrophic factor that can promote the survival, growth and development, regeneration and repair of nerve cells. Rat Nerve Growth Factor may cause pain at the injection site, dizziness and other adverse reactions after use, it is prohibited for patients who are allergic to the components of this product, and need to strictly follow the doctor’s instructions for use of medication, and it is recommended to consult a medical doctor for treatment in a timely manner after the occurrence of allergic reactions. It is recommended to consult a professional physician in advance, and it is necessary to pay attention to the use of the process in strict accordance with the instructions to use, follow the doctor’s instructions to use the drug.