Main Function: 1. Lycopodium Serratum extract can improve memory, thinking, and behavioral function in people; 2. Lycopodium Serratum extract as a treatment of myasthenia gravis effective drugs, better than new Ming; 3. Lycopodium Serratum extract may also protect neurons from cell death caused by toxic levels of glutamate; 4. Lycopodium Serratum extract used as raw materials can be made of alzheimer's disease prevention and health food; 5. Lycopodium Serratum extract is also the treatment of AD in a randomized controlled trial of its effect on cognitive function;