The invention discloses a spherical electronic alarm clock with odor wake-up. The spherical electronic alarm clock comprises a base. An arc-shaped bracket is formed on the side wall of the base. The body of the spherical alarm clock is arranged in the bracket. An upper column and a lower column are respectively formed on the upper and lower ends of the body. The lower column is connected with a rotating motor. The upper column is inserted in the bracket. A protective cover is screwed on the bracket. An end cap is formed on the protective cover. An annular through groove is formed on the end cap. A solid fragrant agent is inserted in the through groove. A lifting plate is pressed on the upper end surface of the end cap. The solid fragrant agent is fixed on the lifting plate. A guide rod isformed on the side of the lifting plate. The guide rod is movably inserted on the protective cover. A screw post is formed on the center of the lower end surface of the lifting plate. The screw post is screwed on the upper column. A rotary sleeve is fixedly inserted on the upper column. The lower part of the rotary sleeve is positioned in the inserting hole, and the upper part is positioned in theprotective cover. Multiple inclined blades are formed on the side wall of the rotary sleeve. The generated odor can be utilized to help the alarm clock wake the person up.