Objective: To learn about and compare the knowledge of and attitude to methadone maintenance treatment(MMT)in drug abusers family members of two cities in Yunnan Province.

Meanwhile, the patients relatives are also the main undertaker for patient s medical expense.

Methods The survey was based on the number of registered drug abusers from the compulsory drug rehabilitation agency of the Public Security Bureau in Dongguan.

Methods: SCL-90 and 16PF were used to evaluate the mental health of 219 drug abusers under compulsory detoxification and 209 offenders involving property violation under reeducation through labor as control.

Objective:To investigate the personality character of drug abusers under rehabilitation through labor,and to study the psychology recovery feasibility scheme.

Analysis on the surveillance of AIDS among drug addicts in Qingyuan City from 2000 to 2005;

Epidemiological analysis on QOL among drug addicts;

Methods Uniformly designed questionnaires were delivered to 345 drug addicts in the drug rehabilitation center.

Analysis of the infection of HIV among drug users in different communities in Dali Prefecture

Objective To develop a low-cost, convenient, accurate, and practical method to estimate the size of drug users in a municipality.

Objective To understand the prevalence and related risk behaviors of HIV and syphilis infection among drug users in Jieyang city.