Small chest common factors for poor development, excessive thinness, muscle weakness, hormone deficiency, genetic factors, different reasons for different treatments, should be timely consultation, but may also be physiological, can first adjust the diet, if not alleviated, timely consultation with a doctor to give treatment. The reason for the appearance of small breasts may be thin, late sexual maturity, low female secretion and other physiological factors, through the expansion of chest exercise, protein diet, massage and other self-regulation can be relieved; There may also be endocrine disorders, anterior pituitary hypopituitarism, pituitary dwarfism, primary ovarian insufficiency and other pathologic factors, which are usually not relieved by self-adjustment, and need to actively go to the hospital for treatment, and common clinical treatments include sex hormone replacement therapy and growth hormone supplementation. The common clinical treatments include sex hormone replacement therapy, growth hormone supplementation, etc. If you have small breasts, you should consult a doctor in time to avoid delaying your condition.