The invention relates to a cultivation method for organic apples. The method comprises: step 1, planting apple seedlings, using a wide-row close planting method; step 2, performing nutrient and water management, watering and applying top dressing in time, the top dressing including applying 120-150 kg urea, 60-60 kg liquid dung, 30-40 kg rape seed cake powders, 20-30 kg soybean cake powders, 30-40 kg seaweed meal, 10-20 kg sweet potato waste in each mu; step 3, starting heading in the second year of apple trees; step 4, in a flower bud stage and a flowering period of the apple trees, spraying the plants and fertigating roots by a solution whose mass ratio of cane sugar, milk, and water is 0.1:1:100. Survival rate of the apple trees planted by the method reaches up to 98%, and leaves are flourished, colors are tender, and fruit setting is multiple. Through spraying the plants and fertigating roots by the milk solution in the flower bud stage and the flowering period, anti-virus capability of the growing period of apples is improved, and taste of the apples is improved, and the apples are beneficial for human body health.