Brain protein hydrolysate can be used to improve dizziness, headache, insomnia, decreased physical strength, irritability, systemic trauma recovery and acute cerebral infarction sequelae have a positive effect. Generally used for craniocerebral trauma, cerebral thrombosis sequelae, accompanied by memory loss, memory symptoms of the improvement of cerebral insufficiency, protein deficiency, neurasthenia in patients with a clear role in improving, can prompt the proliferation of neuroglia, promote the synthesis of nerve cells, proteins, and improve the energy metabolism of the brain, with the promotion of learning and memory, and improve the role of brain function.