The invention provides a device and method for storing and taking seeds to facilitate storage and taking of seeds. The device comprises a seed storing bottle and a seed taking bottle which are connected in a detachable manner, wherein the seed taking bottle comprises a seed taking bottle body and a seed taking bottle cap; an outer tube is arranged on the side wall of the seed taking bottle body, a hinge cap is hinged at one end of the outer tube, and a movable inner tube is arranged in the cavity of the outer tube; a baffle is arranged at the opening end of the seed taking bottle cap, and a drying agent cavity is enclosed between the baffle and the seed taking bottle cap; a cylindrical mounting block is arranged at the sealing end of the seed taking bottle body; the seed storing bottle comprises a seed storing bottle body and a seed storing bottle cap; a roll-in cavity is formed in the sealing end of the seed storing bottle body; one end of the roll-in cavity is communicated with the outer wall of the seed storing bottle body; and the corresponding end of the seed taking bottle is arranged in the roll-in cavity. According to the device, long-time storage and temporary storage of seeds can be effectively realized, the seed taking bottle and the seed storage bottle have a split structure, and seeds in the seed storing bottle cannot be affected with damp when seeds are taken.