Celery black heart disease is a kind of physiological disease.Its prevention and treatment is more difficult.This study selected 4 kinds of calcium fertilizer,one boron fertilizer and 6 kinds of plant growth regulators to conduct field experiment on controlling celery black heart disease.The results showed that foliage spray 4 kinds of calcium fertilizer had certain control effect on celery black heart disease.Among them,0.5% calcium chloride had the best control effect.The control effect was over 90% in 2 years.The effect of boron fertilizer on controlling celery black heart disease was very limited,only 23.08%.Among 6 kinds of plant growth regulators,the control effects of 6% Artailing was better(90.62%).