In order to study the suitable sowing date and seeding quantity in peninsula area of big-ear genotype winter wheat, ascertain the suitable cultivate technology, the suitable sowing date and seeding quantity of big-ear genotype winter wheat in peninsula area were studied, using the wheat variety of zhouyuan9369 and the experiment method of five sowing date and three seeding quantity. The results showed that the suitable sowing date of big-ear genotype winter wheat zhouyuan9369 is from September 27th to October 3th, the suitable seeding quantity is from 2.7 to 4.05 million seedlings/hm2, the optimum date is September 27th and 4.05 million seedlings/hm2.