Plastic bottle facilitating trace liquid taking

The utility model discloses a plastic bottle convenient for trace liquid taking in the technical field of plastic bottles, which comprises a body, a sealing cover, a base body and a linkage rod, the sealing cover is in threaded connection with the top of the body, the base body is fixedly connected in the middle of the top of an inner cavity of the sealing cover, the linkage rod is in sliding connection with an inner cavity of the base body, and the linkage rod is in threaded connection with the inner cavity of the base body. The plastic bottle comprises a body and a base body, the body penetrates through the body and extends to the outside, a flow guide block is fixedly connected to the bottom of an inner cavity of the body, a filter plate is fixedly connected to the upper side of the inner side wall of the body and is in sliding connection with the base body, and the plastic bottle facilitating trace liquid taking is reasonable in structural design, can rapidly complete trace liquid taking and is convenient