See endocrinology. Because the reasons that affect children's growth are malnutrition, trace element deficiency and hormone secretion disorder (such as growth hormone, thyroid hormone, sex hormone, etc.). ), precocious puberty, obesity and so on. These are diseases that only endocrinologists can see. Your daughter hasn't grown for half a year, so we can't rule out these factors that affect her growth. You can take your child to check bone age, epiphyseal line, hormones, trace elements and so on. Look at the specific reasons why your daughter hasn't grown taller for so long and then solve the problem according to the problem.