He joined the Russian Social Democratic Labour Party (Bolsheviks) in May 1917 and directly participated in the October Revolution. He also participated in the creation of the Petrograd Socialist Union of Working Youth in 1917 and continued working within the Petrograd Socialist Union until 1920. Smorodin was also a delegate to the 8th Congress of the Russian Communist Party (Bolsheviks) which was held in 1919.