Abstract: An Investigation was made into the morphology of sulphur and cobalt in the primary sulphur-cobalt concentrate. indicating that it is possible to improve the grade of sulphur-cobalt concentrate with floating process. And the laboratory tests with floating process and open circuit process were carried out. The open circuit test suggests that with twice cleaning and once scavenging process,concentrate containing sulphur of 37.43 % and cobalt of 0.291 % can be obtained and recovery of 77.60% and 87.04% can be respectively achieved’ As a result,"Three times of cleaning and once scavenging" process is recommended for industrial test.