The invention belongs to the field of medicine preparations and discloses a compound anti-AIDS (Acquired Immune Deficiency Syndrome) medicine orally taken suspension preparation which has good medicine stability and can be assimilated quickly and a preparation method thereof. According to the preparation method lamivudine zidovudine nevirapine Tween 80 propylene glycol cane sugar Carbomer 934P a pH regulator purified water proper preservatives pigments essences and the like are prepared into the compound anti-AIDS medicine orally taken suspension preparation and the pH value of the suspension is controlled to be 3.5-4.0. The compound anti-AIDS medicine orally taken suspension preparation has good medicine stability can be assimilated very well and can be administrated conveniently.

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