A hotline to counsel callers affected by extremism has been serving the public since last December.
The exchange of ideas and experiences during the exercise helps build trust, build up security and stability in Central Asia, observers say.
Trade between the two countries is flourishing as the two sides seek warmer and more-lucrative ties.
Tajik authorities are concerned about new synthetic drugs, which are 'especially dangerous for youth', say specialists.
The recently concluded conference revealed that regional and international peace might more easily be found by getting to know neighbours than by fearing them.
A planning document, approved by the president, urges stronger measures to combat alien, spurious teachings.
The new effort is part of the country's annual anti-drug Operation Kuknor, which is run in two phases, from May 20-August 30 and September 1-November 30.
Tajik and foreign troops are learning from each other in Exercise Regional Co-operation 2017.
The stimulant, administered in pill form, has reportedly been sanctioned by the 'Islamic State' as a means to facilitate 'jihad' as it gives fighters stamina.