Control method of air conditioner, air conditioner and storage medium

The invention discloses a control method of an air conditioner, the air conditioner and a storage medium. The air conditioner comprises a refrigerant circulation loop and a refrigerant branch, the refrigerant circulation loop comprises an indoor heat exchanger, an outdoor heat exchanger and a refrigerant main path arranged between the indoor heat exchanger and the outdoor heat exchanger, and the refrigerant branch is connected with the refrigerant main path in parallel. The refrigerant branch comprises a liquid storage tank, a first control valve arranged at the inlet end of the liquid storage tank and a second control valve arranged at the outlet end of the liquid storage tank, and the method comprises the steps that the air conditioner is controlled to operate in a heat exchange mode, and the condensation temperature of the refrigerant circulation loop is obtained; determining a first operation parameter of the first control valve and a second operation parameter of the second control valve according to the