Yes, in China, whoring is illegal. According to Article 66 of the Law on Public Security Administration Punishment, a person who engages in prostitution or whoring shall be detained for not less than 10 days but not more than 15 days, and may be fined not more than 5,000 yuan. If the circumstances are minor, they shall be detained for not more than five days or fined not more than five hundred yuan. Whoever solicits prostitutes in public places shall be detained for not more than five days or fined not more than 500 yuan.