Treatment of Non-high-risk Acute Promyelocytic Leukemia (APL) With Realgar-Indigo Naturalis Formula (RIF)

Inclusion Criteria: * age 14 to 70 years * Newly diagnosed APL with t(15;17)(q22;q12) * Before treatment the Peripheral blood white blood cell count≤10×109/L * Patients who can complete the entire treatment process * Patients or their families signed written informed consent Exclusion Criteria: * Be allergic to the drug ingredient, the supplementary material or the allergic constitution person * Cardiac insufficiency, renal insufficiency, significant arrhythmias, EKG abnormalities or other important organ dysfunction * Combined with other malignant tumors * Pregnant and lactating women * Participants in other drug trials in the last 3 months * Suffering from mental illness or other circumstances which unable to carry out the plan * Other patients who were not suitable for the study