A 3-month-old baby’s head tilted to one side may be caused by bad habits, strabismus and other reasons. It can be corrected by correcting bad habits, massage and elective surgical correction. 1. Bad habits: If a 3-month-old baby habitually tilts his head to one side, it will form a natural reaction. It is necessary to correct the bad habits in time, and improve the posture, and can be artificially tilted to the other side of the head when sleeping at night. 2. Oblique neck: If the 3-month-old baby’s head is tilted to one side due to congenital obliquity, it is usually found at birth, and the neck is accompanied by hard knots and no pressure and pain. Massage can be done first to correct the problem, and if there is no relief, surgery will be performed at an elective date after 12 months. When a 3-month-old baby’s head is tilted to one side, it is recommended that parents should take their baby to the pediatrician of a regular hospital in time to find out the cause of the disease and carry out targeted treatment under the guidance of a professional doctor.