Abstract: Objective To investigate the status of nutrition knowledge,attitude and practice(KAP)and related influencing factors among the pregnan two men in Lanzhou city.Methods Aquestionnaire survey was carried out among pregnan two men in three hospitals of Lanzhou city.Results Most pregnan two men had a positive attitude towards nutrition and health.However,only 47.04% of the subjects had adequate knowledge on nutrition and healthy dietary practice.Many pregnan two men were fastidious about their food.The ratios of pregnant women who did not eatanimal internal organs,anmial blood,milk,bean and its products,and nuts were 451.23%,121.15%,26.54%,and 30.52%,respecitively.A significant positive correlation was found between nutrition knowledge,attitude and practice(r=0.245,0.298,0.254;P<0.05).The Level of education,occupation,the husbandps occupation were the major contributing factors to KAP level on nutrition,with partial correlation coefficients of 0.374,0.310,0.160 among the pregnant women(P<0.05).Conclusion The pregnant women are deficient in nutrition knowledge and have incorrect dietary habits.Guidance on nutrition knowledge and dietary behavior should be implemented.