The manifestations of cerebral palsy vary depending on the etiology and typology, but the early stage (within 6 months of age) is more common: generalized weakness, weakness, or stiffness of the limbs; back of the head, or even corneal inversion, and body jerking; unresponsiveness and unresponsiveness to name calling: it is generally considered that unresponsiveness at 4 months of age and unresponsiveness to name calling at 6 months of age can be diagnosed as mental retardation. Quiet and less active (reduced spontaneous movement) or too much fidgeting; abnormal persistent crying, clenched fingers, inability to open or thumb inward; frequent convulsions and tremors; abnormal head circumference: head circumference is an objective indicator of the morphological development of the brain, and brain-injured children often have abnormal head circumference, such as too large or too small; weak sucking, difficulty in breastfeeding, poor weight gain, frequent choking, poor oral closure; at 2-3 months of age, not smiling, not chasing after the eyes, and 4-5 months: no pursuit of vision, no rolling over, head elevation <90°, crossed lower limbs, full forward sitting, no reaching for objects, inflexibility, altered muscle tone, asymmetrical posture; 6-7 months: hand-mouth-eye incoordination, asymmetrical posture, grasping for objects is loose, altered muscle tone, primitive reflexes not lost, crossed lower limbs, head back, no sitting; persistent after 6 months The pointed foot is an important sign of cerebral palsy.