Control method, control device, cold storage air conditioner and readable storage medium

The invention discloses a control method, a control device, a cold storage air conditioner and a readable storage medium. The control method comprises the steps that the first ice amount m1 of an ice storage tank and the second ice amount m2 of the cold storage tank are obtained; and according to the first ice amount m1 and the second ice amount m2, the working gear of the cold storage unit in the cold storage mode is determined, and ice making is conducted according to the target ice making speed va and the ice making duration t0 under the working gear. According to the control method of the cold storage air conditioner, the cold storage unit can be controlled to make ice at the appropriate working gear according to the ice storage tank and the ice amount in the cold storage tank, the ice breaking phenomenon in the cold storage tank and/or the ice storage tank is avoided, it is ensured that the ice amount in the cold storage tank can achieve continuous and stable refrigeration, and the ice storage efficiency