An image processing and analyzing system for ovulation detection includes: an electronic device including a camera portion； a saliva acquisition device including a saliva accommodation portion accommodating saliva of a subject, and a case in which the saliva accommodation portion is located, the case including an entrance, at an end thereof, an entrance through which the saliva accommodation portion enters and exits, and a penetration hole is formed in one surface of the case through which the saliva may be exposed to outside； an ovulation prediction device including a body portion, wherein the electronic device is mounted on one surface and an opening is formed in the surface to allow the camera portion to be positioned in the opening, an insertion unit formed at one side of the body portion to allow the saliva acquisition device to be inserted into a certain depth, and a light source located in the body portion and providing light to the saliva acquisition device； and a controller acquiring a captured image of the saliva from the camera portion, extracting a crystal structure image of hormone included in the saliva by processing the acquired captured image, and determining, based on the extracted crystal structure image, whether the subject is in ovulation.
