The invention discloses a method for regulating a flowering phase of cymbidium ensifolium. Through photo and temperature and water and fertilizer management before flower forcing, and applying a plant growth regulator mixed solution, flower bud differentiation and growth are promoted. After using the method for a month, flower percentage exceeds 70%, and problems that flowering of cymbidium ensifolium is out of order, flowering phases are not uniform, and flower percentage is low are solved. The method is easy to operate, low in cost, and easy to apply. The method is especially suitable for mass production of flower fields in various scales. The method solves a problem of regulating the flowering phase of cymbidium ensifolium, so the flowering phase of cymbidium ensifolium expands to all year from July to December every year, the number of flowers is increased, and anti-season flowering and season flowering of the cymbidium ensifolium are realized, so as to satisfy requirements of expanding market. The method has outstanding economic benefit.