Strabismus hazards: 1, affect the appearance and head position, the older the impact on the heart, low self-esteem and even lead to depression; 2, the loss of visual advanced functions, can not engage in fine eyesight work, career choice reduced; 3, cause amblyopia, vision can not be corrected for life. Treatment: 1, correction of refractive error, amblyopia training if necessary; 2, the timing is right, the need for surgery early surgery, the earlier the surgery, the faster the recovery of visual function, the smaller the psychological side effects.