To provide a fruit juice squeezer instantaneously preparing fruit juice without being spilled there from.

The fruit juice squeezer 1 squeezing the juice from fruits is provided with a projection part 22 projected upwards for a bottom part 21 and the juice is squeezed by pressing the projection part 22 on the fruit. The juice squeezer 1 is provided with a through-hole 23 formed at the bottom part 21 through which the juice flows and an annular groove 27 formed adjacently to the bottom part and opened downwards so as to house the end edge of a drinking container to receive the juice. Thus, the juice is put into the drinking container without being spilled from the juice squeezer.