Centralized refueling device of aircraft hydraulic system and aircraft

The invention relates to an aircraft hydraulic system centralized refueling device and an aircraft. The centralized refueling device comprises a manual pump assembly, an oil filter, a refueling selection valve and a connecting plate, wherein the manual pump assembly, the oil filter and the refueling selector valve are sequentially mounted on the connecting plate, and an internal oil way is arranged on the connecting plate; the manual pump assembly comprises a manual pump, an oil suction pipe and an operating handle, and oil can be pumped into the manual pump from the oil suction pipe through reciprocating operation of the operating handle and then pumped into an internal oil way on the connecting plate; the oil filter is used for ensuring the cleanliness of filled oil; the input end of the refueling selector valve is connected to an internal oil way located on the connecting plate and located on the downstream of the oil filter, and the refueling selector valve is provided with a first output position, a seco