The invention discloses a special storage tank for spherical tea leaves in public. The special storage tank comprises a tank body. An L-shaped partition plate is arranged in the tank body to separatethe interior of the tank body into a mounting cavity and a tea storage cavity. The mounting cavity includes a first mounting cavity and a second mounting cavity, and the first mounting cavity communicates with the second mounting cavity. One side wall of the tank body is fixedly connected to two locking mechanisms which are symmetrically arranged, the mounting cavity is internally provided with apressing trigger mechanism, the second mounting cavity is internally provided with a partition plate opening and closing control mechanism which is drivingly connected to the pressing trigger mechanism, the second mounting cavity is internally provided with a tea out pipe whose upper end passes through the L-shaped partition plate, and the tea out pipe is fixedly connected to the L-shaped partition plate. The special storage tank is convenient to take tea, the fixed quantity of the tea taken each time is achieved, the tea is not contacted in taking the tea, the pollution of the tea is avoided,the tea can be taken without opening a tea can in taking the tea, and the deterioration of the tea by moisture by the frequent opening of the tea pot to take the tea is avoided.