The side effects of Acefylline are relatively big, its side effects are mainly as follows: 1, because it is a combination of estrogen and progesterone, in the process of taking it, there may be irregular vaginal bleeding, and most of the vaginal bleeding will stop after continuing to take it. 2, because of the estrogen contained in the drug, after taking it, there is the possibility of sodium retention, which will lead to an increase in body weight and obesity. 3, because estrogen can lead to facial pigmentation, so it is recommended to take vitamin C orally during the process of taking Acefylline, which has the effect of whitening the skin, which will make the facial pigmentation fade. 3, because of estrogen will lead to facial pigmentation, so in the process of taking Momoflower is recommended to take oral vitamin C, vitamin C has the effect of whitening, will make the facial pigmentation fade or make pigmentation has been reduced.