"It's a big project to figure out what judicial authorities really should do on what areas and to what extent," Li said.
But other legal experts said the punishment is proper.
"Swinging should be banned because it violates moral ethics, which will affect social order and harm interpersonal relationships," Yuan Jiuhong, a professor at Southeast University based in Nanjing, told the Procuratorial Daily.
Sun Guoxiang, a law professor from Nanjing University, called the conduct contagious and said it cannot be accepted by the public.
"It disturbs social order and is harmful to society," Sun said. "Monogamy is a mainstream ideology and the charge is set to protect the sexual relations of mainstream society."
Voices
"Monogamy is a mainstream ideology and the charge is set to protect the sexual relations of mainstream society."
—Sun Guoxiang, a law professor from Nanjing University
"Swinging should be banned because it violates moral ethics, which will affect social order and harm interpersonal relationships."
—Yuan Jiuhong, a professor at Southeast University
"This law belongs in the Middle Ages. Individuals have the right to use their bodies for whatever harmless purpose they choose. This law violates that right."