Abstract: A downhole inflow control valve with multi-stage regulation is provided. The downhole inflow control valve with multi-stage regulation includes a sand control screen, a sliding sleeve, an oil nozzle sleeve and a driver. The driver is configured for driving the sliding sleeve to reciprocate. The sliding sleeve is located between the sand control screen and the oil nozzle sleeve. Screen holes are formed in the sand control screen. One of the oil nozzle sleeve and the sliding sleeve is provided with oil inlet nozzle groups, and the other of the oil nozzle sleeve and the sliding sleeve is provided with oil inlet holes. The sliding sleeve and the oil nozzle sleeve are connected through a cam mechanism. One of the sliding sleeve and the oil nozzle sleeve is fixed, an other of the sliding sleeve and the oil nozzle sleeve may rotate around own axis.