PURPOSE: To suction desired liquid from a vessel and supply it to a desired portion without touching the vessel and by only pinching a between-fingertips holding pump by providing an air-feeding pipe, a sucking-up pipe and a feeding mechanism on the between-fingertips finger holding pump.

CONSTITUTION: A pump leading port 4, a washing port 6 and one end of an air-feeding pipe 9 are arranged on a between-fingertips holding pump chamber 5. A liquid-feeding mechanism 11 is arranged on the other end of the air-feeding pipe 9. A liquid-feeding pipe 10 is inserted into the air-feeding pipe 9 so as not to abut against a closing float valve 12 and connected to the pump leading port 4. A cover-closing leading pipe 2 in which a check valve 3 is inserted is connected to a portion in front of the pump leading port 4, while a cover 1 of the leading pipe is arranged. A needle-point hole air adjusting valve 7 and a screwing cover 8 are arranged in front of the washing port 1. A correspondent pipe 22 is stood on the bottom of the feeding mechanism 11, while the closing float valve 12 and a check closing valve 14 are arranged on upper and lower sides thereof.