Inclusion Criteria:  Aged 18 ~ 75 years (inclusive), no gender limitation. Patients with neutrophilic deficiency after solid tumor chemotherapy, hematological tumor chemotherapy, hematopoietic stem cell transplantation, etc. (absolute neutrophil count (ANC) in peripheral blood <500 /mm^3 (0.5×10^9 /L) for at least 72 hours at screening). Persistent or recurrent fever (oral temperature ≥38℃ or axillary temperature ≥37.7℃ within 24 hours prior to randomization) after at least 72 hours on broad-spectrum antibiotics, and considering fever to be associated with suspected fungal infection.  Female patients must meet one of the following conditions:  Menopausal patients, menopause at least 1 year; Patients of childbearing age: Negative for blood/urine pregnancy test before enrollment; agree to take a guaranteed, effective contraception during the study and within 4 weeks after the study. Male patients and their partners must use effective contraception throughout the study period and up to 4 weeks after leaving the study. Patients fully understand and voluntarily participate in this study and sign informed consent.  Exclusion Criteria:  History of allergy to liposomes or amphotericin B. Received systemic treatment of amphotericin B or amphotericin B-containing formulation within 10 days prior to enrollment. Liposome used within 1 month before the signing informed consent. Confirmed or clinically diagnosed invasive fungal infection or known uncontrolled bacteremia or sepsis at screening. Eastern Cooperative Oncology Group (ECOG) performance status ≥3; Abnormal liver function, aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ≥5 × the upper limit of normal (ULN), or ALT/AST ≥3 × ULN with total bilirubin ≥1.5 × ULN, or total bilirubin ≥3 × ULN. Serum creatinine > 2 × ULN. Serum potassium concentration ≤3.0 mmol/L prior to the first administration, or serum potassium concentration ≤the lower limit of normal value (LLN) in patients undergoing digitalization. 12-lead ECG presenting II or III degree atrioventricular block, long QT syndrome or corrected QT interval>480 ms in the absence of a pacemaker. Cardiac function grade III/IV (NYHA). Tachyarrhythmia requiring intervention and a history of high-risk coronary heart disease such as unstable angina and acute coronary syndrome. Human immunodeficiency virus (HIV) antibody or treponema pallidum specific antibody (TPHA) positive; active tuberculosis on CT of chest (to be determined by investigator). Pregnant or lactating female. A history of drug abuse (non-medical use of narcotic drugs or psychotropic substances) or drug dependence (narcotics, stimulants and psychotropic substances, etc.) within 2 years. Plan to use prohibited drugs during the study period. Enrolled in any other clinical trials of drugs or medical devices within 3 months prior to screening. Life expectancy < 2 months; Not suitable for this study as decided by the investigator due to other reasons