The present invention relates to a medical apparatus, in particular, a mother-baby endoscope system consisting of hard mother-hysteroscope and flexible baby-falloposcope which comprises a hard mother-hysteroscope system and a flexible baby-falloposcope system. The hard mother-hysteroscope system comprises a hard hysteroscope and a sheathing canal of the hysteroscope. The flexible baby-falloposcope system is a flexible falloposcope which comprises a flexible front end and a liquid channel. At least one instrument channel is provided in the endoscope body of the hard hysteroscope such that the flexible front end of the flexible falloposcope can be place thereinto. The mother-baby endoscope system not only can be used to treat the lesions in uterine cavity, but also observe the lesions in oviduct, thereby it extends the using scope of hysteroscope in gynecological surgery and improves the accuracy of examination and treatment.
