The present invention provides a needle clean device and a sealant coater having the device. The needle clean device comprises: two opposing guide tracks (52), two stand bars (56) respectively and slidably installed on the two guide tracks (52), two motors (54) respectively fixedly connected to the two stand bars (56) and two opposing catches (57) respectively located on the two stand bars (56), and dents (69) are respectively located at opposing side surfaces of the two catches (57), and the stand bars (56) can be driven by the motors (54) to move back and forth along the guide tracks (52) to drive the two catches (57) close to or depart from each other and to close the two dents (69) to form a hole or to open the two dents (69). According to the needle clean device located by the present invention, the catches are utilized to automatically scrape the sealant accumulated on the needle without manual clean. The work efficiency is raised and the production quality is promoted.