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The invention discloses linkage replenishment type thin film raw material conveying equipment capable of achieving accurate metering, and belongs to the technical field of thin film raw material conveying equipment.The linkage replenishment type thin film raw material conveying equipment comprises a conveying line which is installed on a frame, extends in the preset direction and is used for bearing and conveying raw materials; the linkage conveying mechanism comprises a U-shaped plate arranged on the frame, lifting plates are installed on the two sides of the bottom end of the U-shaped plate through first springs, first pressing rollers are installed on the lifting plates in a rotating connection mode, and strip-shaped grooves are formed in one ends of the lifting plates in the height direction of the U-shaped plate; one end of the lifting plate is connected to the first sliding block through a first swing rod, and the other opposite end of the lifting plate is connected to the second sliding block through a second swing rod. The technical problems that when materials on a conveying line are too many or too few, a corresponding circuit sensing system and a mechanical mechanism are needed for designing a quantitative treatment mechanism, a matched mechanism is complex in design and inconvenient to maintain, and the design cost is increased can be solved.