Gas supply control method and system of vehicle engine and storage medium

The invention provides an air supply control method and system of a vehicle engine and a storage medium, and belongs to the technical field of automobile engines. The air supply control method for the vehicle engine is used for an engine control unit of a vehicle, the engine control unit is electrically connected with an accelerator opening degree collecting assembly, an air inlet information collecting assembly and an air inlet adjusting assembly, and the method comprises the steps that the actual opening degree value, collected by the accelerator opening degree collecting assembly, of an accelerator pedal is obtained; the actual rotating speed of the engine, the gas pressure of a gas inlet manifold and the fuel injection quantity collected by a gas inlet information collecting assembly are obtained; under the condition that the engine is determined to be in a starting state based on the actual opening value of the accelerator pedal and the actual rotating speed of the engine, whether gas with preset pressur