South Yorkshire Police organised the event following an increase in the use of Spice in SheffieldÂ city centre.
Officers from seven police forces are attending the workshopÂ to share ideas onÂ howÂ to tackle the issue.
Topics to be coveredÂ include enforcement, testing, drug services support andÂ sentencing.
Representatives from partner agencies including Sheffield City Council have also been invited to the event. Â