The invention relates to a portable fetal monitor. The portable fetal monitor comprises a rotary display screen and a host rotationally connected with the rotary display screen. A sliding touch screen and an operation panel are arranged on the upper end face of the host, a control system is further arranged in the host, the side face of the host is connected with a fetal heart rate detection probe, a uterine pressure detection probe, a fetal movement detection probe and an electronic sphygmomanometer arm band which are independent, and the fetal heart rate detection probe, the uterine pressure detection probe, the fetal movement detection probe and the electronic sphygmomanometer arm band are all in signal connection with the control system. The portable fetal monitor can be carried portably, is conveniently used by a pregnant woman on any occasion, and is convenient to use, the pregnant woman does not need to regularly go to a hospital for examinations, the fetus condition and the condition of the pregnant woman can be detected by the pregnant woman herself, data can be exported by the monitor itself, the data is printed or directly transmitted to a doctor, the travel trouble of the pregnant woman is reduced, the diagnosis time of the pregnant woman is shortened, detection can be carried out at any time, the pregnant woman can communicate with the doctor, and the problem of fetal abnormalities is solved in time.