Results of research of planting technique with wide/narrow row alternation for maize showed that ecological environment condition was improved and the growth and development of maize was promoted if it was planted with wide/narrow row alternation.The number of maize root and the leaf area was increased,so dry matter increased.The yield of maize was enhanced.The fertility of soil was raised.On the contrary,the production cost was cut off,so the economic benefit of planting maize was lifted.