The female sexual response cycle includes the period of sexual arousal, sexual persistence, orgasm, and sexual dissipation. 1. Sexual arousal period, this period is through external stimulation or psychological changes, so that the libido is aroused, the body appears corresponding changes, such as vaginal congestion, secretion lubrication, heart rate increases. 2. Sexual persistence period, refers to the high libido, this period of vaginal congestion, lubrication, clitoral erection, breast swelling, blood pressure continues to rise, the heart rate continues to accelerate, the skin may appear reddish, psychological excitement and excitement. 3. Orgasm, vagina, uterus and other rhythmic contractions, can be accompanied by moaning, muscle spasms, etc., the body and mind get great pleasure. 4. Sexual dissipation period, after the orgasm, blood pressure, heart rate gradually drop to normal, vaginal congestion and swelling slowly subside, the body gradually return to the state of pre-sexual excitement.