Baby 1 year old hair is not very long, may be a normal physiological phenomenon, in addition, also consider with hair follicle development is not complete, genetic factors, trace element deficiency and other reasons, need to go to the hospital for examination, clear causes and then deal with. Common causes and treatment: 1, physiological phenomenon: baby’s hair follicles have a gradual development process, 1 year old hair follicle development is not perfect, the hair grows relatively slow. This is a normal physiological phenomenon, and can be changed when the baby grows up; 2, genetic factors: the baby’s hair growth and parental genetics, if one parent has thin hair, it can be inherited to the baby. Can give the baby some daily care, such as massage head, stimulate the growth of hair follicles, etc., care for genetic effect is often very limited, if not ideal, can be considered after the baby adult hair transplant; 3, malnutrition: such as zinc deficiency, calcium deficiency, zinc and calcium can promote hair growth, if lacking will affect hair growth, it is recommended to improve the trace element examination, follow medical advice to supplement the lack of elements. Note: Parents can take their babies to sunbathe properly, which is beneficial to hair growth; they should wash and comb their babies’ hair regularly, and use mild and non-stimulating shampoo when washing their hair, and also stimulate the head acupuncture points appropriately; they should eat a light diet, and eat foods rich in zinc and calcium, such as soy products, milk and green leafy vegetables, etc.