The invention relates to a method for breeding escargots in a water-planted rice field. The method comprises the following breeding steps that A, rice field transformation is performed, wherein a ricefield foundation is heightened; B, disinfection and wild fish elimination are performed, wherein quick lime is made into slurry, then the slurry is uniformly splashed into the whole rice field; C, rice planting is performed, wherein bio-floating beds are installed in the rice field, then rice seedlings are transplanted into the bio-floating beds, and then a bio-organic fertilizer is uniformly putinto the rice field; D, escargots are put, wherein the escargots are put in the rice field, and loach fry, bighead fry and chub fry are put in the rice field; E, field drying is performed, wherein the heights of the bio-floating beds are adjusted to make rice roots exposed out of the water surface; F, harvesting is performed, wherein the bio-floating beds are pulled close to the side of the fieldfoundation to harvest rice after rice maturity, and escargots with qualified weights are fished out. By adopting the method for breeding escargots in the water-planted rice field, the rice field is obtained through direct transformation based on an existing rice field, a new way of escargot breeding is opened, growth space is reasonably utilized, the escargot breeding cost is reduced, and the economic value of the rice field is also increased.