The majority of hair loss at 3 months postpartum is due to resting hair loss, as the hair follicles in the anagen phase enter the resting phase prematurely, resulting in normal pestle and mortar hair loss. Postpartum hair loss is common, and resting hair loss of no more than 100 strands per day is physiologic. Hair loss is intermittent or persistent, usually characterized by temporary thinning of the hair, and a resting hair count greater than 25% is the diagnostic criterion for resting baldness. Hair can be completely regenerated spontaneously within 6-12 months, that is, normal people lose up to 100 strands of hair per day is a normal phenomenon, without special treatment, more than this range, you can take vitamin B6, cystine tablets to promote hair regrowth.