Occasional squinting when watching TV may be a normal physiological phenomenon, or it may be a manifestation of myopia, strabismus and other vision loss, and it is recommended to consult a specialist for a clear diagnosis. 1. If the baby is young and the development of vision is not mature, the phenomenon of strabismus may occur occasionally when watching things, with the gradual increase of the baby’s age and the development of vision maturity, the symptoms of strabismus will subside on their own. 2. If the baby watching TV strabismus frequency gradually increased, but also to be vigilant for myopia, strabismus, refractive error, etc., need to bring the baby to the hospital ophthalmology consultation, through the perfect relevant examination, clear strabismus specific causes, and for the causes of the targeted intervention treatment, so as not to lead to aggravation of the condition.