Anti-Tb Therapy: 2HREZ-4HRifb(H:Isoniazid，R:Rifampicin，E:Ethambutol，Z：pyrazinamide，Rifb:Rifabutin) HAART: The first line was Zidovudine(AZT)+Lamivudine(3TC)+Efavirenz(EFV) and the second line is Stavudine(D4T)+3TC+EFV Study group one: after anti-TB therapy 2 weeks begin with High Active Antiretroviral Therapy(HAART); study group two: after anti-TB therapy 8 weeks begin with HAART. If begin with HAART and the H change with Rifb.