Objective To investigate the risk factors for pregnancy-induced hypertension in Tangshan city.Methods Ninety-five pregnant women with hypertension were involved in questionnaire survey with contents ineluding general states of health and histories of past illness. Results Pregnancy-induced hypertension were more seen in winter, women aged above 35 years old with blood type A, bad educational background, bad nutritional status, hypertension history for family or herself, diabetes history and ere (P<0.01 ). Conclusion There are ages, blood types, educational background, nutritional status, hypertension history, diabetes history for the risk factors for pregnancy-induced hypertension.