Inclusion Criteria:  Newly born women within 42 days to 3 months after delivery, after the end of puerperium, initial postpartum review and pelvic floor professional outpatient screening, found that pelvic floor muscle strength decreased (Oxford Oxford muscle strength ≤ grade 3); Healthy before pregnancy without pregnancy complications; Convenient transportation, familiar with the Internet; Be in good condition and be able to complete the exercise program; Complete clinical baseline data; Agreed to conduct the study and signed the informed consent.  Exclusion Criteria:  Patients with stage Ⅲ and Ⅳ pelvic organ prolapse; Severe urinary incontinence; lochia, vaginal bleeding and pregnancy; Serious medical diseases, such as cardiac dysfunction who wear pacemakers, neurological diseases, cognitive impairment and other pathological conditions; Cannot complete the intervention program;