Pregnancy acne may be caused by poor mood, spicy diet, acne and other reasons, you should adjust the mood, adjust the diet, pay attention to facial cleanliness and other treatments. 1. Poor mood: pregnant women after pregnancy due to hormonal changes in the body, may cause emotional changes, such as becoming angry, crying, staying up late to cause sleep deprivation, which can easily lead to low body resistance, may make the bacteria in the follicle breeding acne, it is recommended that pregnant women during pregnancy to maintain a happy mood, reduce the number of late nights. 2. Diet spicy: some pregnant women will like to eat spicy food after pregnancy, which may also stimulate the secretion of sebaceous glands leading to acne, pregnant women are advised to eat less spicy and stimulating food. 3. Acne: pregnant women during pregnancy due to higher metabolism, may stimulate the follicle sebaceous gland secretion, the phenomenon of clogging pores. Pregnant women with acne should pay attention to the use of water to wash your face, do not use your hands to squeeze the acne, if not serious, try not to use medication, so as not to affect the fetus. Pregnant women with acne is recommended to go to the hospital, under the guidance of the doctor to carry out the relevant treatment.