In the process of chrysanthemum growth, it is necessary to remove the flower heart and flower bud, which can control the height of the stem and promote branching. When the height of chrysanthemum is 15 ~ 18 cm, the first coring can be carried out, the second coring is in the middle of August, and the third coring is around beginning of autumn. Usually pick the heart three times. /kloc-bud removal began in mid-October, and only the largest bud at the top was left on each branch, which made the flowers bloom beautifully and brightly. There is a bud picking time every morning. The exposed bud can be bound and shaped.