Objective To probe into the relationship between nutritional status and living habits of children in an attempt to provide a scientific basis for taking health measures for school-age children and promoting their healthy growth.Method 1 854students of Grade 1to Grade 6from 5primary schools in urban and rural area of Yuzhou were investigated by means of the method of stratified cluster random sampling;a survey was conducted using the self-prepared living behavior questionnaire;height and weight of the students were measured; the nutritional status was evaluated using weight-for-height standard recommended by WHO and a multiple correspondence analysis was conducted.Results Rate of malnutrition

normal nutrition

overweight and obesity was 5.26%

83.44%

8.31% and 2.99% respectively.Malnutrition was correlated with insufficient amount of staple food（P

<

0.01）;normal nutrition was correlated with normal amount of staple food or insufficient amount of staple food and appropriate amount of snack without monophagia（meat

egg

milk and sweets）

hours of sleep 8

1

0h/d and time of exercise 1

2

h/d（P

<

0.01）;overweight was correlated with monophagia

time of exercise

<

1h/d and hours of sleep

>

10h/d（P

<

0.01）while obesity was correlated with excessive amount of staple food and snack（P

<

0.01）.Conclusion Nutritional status is closely related to living behaviors.Adjusting dietary structure

proper exercise and regular sleep are feasible ways to improve nutritional status of children and promote their healthy growth.