Betel nut can be consumed in moderation during preparation for pregnancy, but should not be consumed in large quantities for a long period of time. Betel nut has the effect of promoting gastrointestinal qi, alleviating gastrointestinal food accumulation, easing diarrhea and laxative, which is beneficial to the treatment of food and gas stagnation, abdominal distension and constipation, as well as damp-heat diarrhea and dysentery. Betel nut also has the effect of reducing edema, used for edema, urinary and faecal problems, and cold and damp feet swelling and pain, so you can eat a small amount of betel nut during the preparation for pregnancy. However, long-term consumption of betel nut in large quantities is harmful to the body, chewing betel nut will destroy the taste nerve, affect the secretion of saliva, the gastric lining of the greater stimulation, which can easily lead to gastritis or even gastric perforation, seriously affecting the digestion of human food, hindering the absorption of nutrients. At the same time, regular chewing betel nut will also destroy the oral mucosa, oral mucosa feel burning, easy to dry the mouth, numbness of the lips and tongue, taste function weakening and other discomforts, easy to cause oral diseases, serious cases will lead to swallowing difficulties, and even oral cancer. Therefore, it is recommended to pay attention to the nutritional diet during the preparation for pregnancy, choose foods rich in vitamins and proteins, such as fresh fruits and vegetables. Prohibit smoking and alcohol, ensure sufficient rest, avoid staying up late, and exercise appropriately. Maintain an optimistic and positive mindset, relaxation, help preparation for pregnancy success.