I. Active movement 0-6 months of infants to motor development as the advantage. Therefore, according to the baby’s development, parents are consciously instructed to train the baby in active movement of head lifting, turning over, sitting and crawling in prone position. ① Prone head raising Method a: Use toys in front of the baby to tease or use the adult hand in a slightly curved position to tap the back of the baby’s neck with the fingertips to stimulate it to raise its head. If the baby’s head is not raised well in the early stage, and the head is always on the trauma, a rolled towel or a small quilt can be placed under the baby’s chest. Method b: You can also let the baby creep on a yoga ball (60~70cm in diameter), and the parents hold its lower limbs or press its waist and slowly dive to induce the baby’s spontaneous head raising. Training intensity: gradually extend the training time according to the baby’s condition. From 30 seconds – 3 minutes, several times a day. ② pull sitting Method: Adults pull baby’s hands or shoulders with both hands, while guiding “baby, get up” and so on, while pulling the baby into a sitting position, with the hips as the fulcrum, without leaving the bed. Training intensity: gradually extend the training time according to the baby’s condition. 10-20 / time, 1-2 times a day. ③ turn over Method: adults hold the baby’s two calves with their hands, so that one side flexed and pulled to the opposite side, gently drive the upper body to the opposite side turn over, both sides alone → consistent practice. Training intensity: 10-20 / time, 1-2 times a day. Passive exercises Upper limbs: ①Shoulder joints: both arms crossed in front of the chest, lifting, abduction, internal rotation and external rotation. (2) Elbow joint: flexion and extension movement. ③Hand: wrist movement, finger rubbing. Lower extremities: ① hip joint: hip bending and lifting, internal and external rotation of both legs (hip flexion and knee flexion) ② knee and ankle joints: flexion and extension movements.