The present invention belongs to a pharmaceutical composition preparation field of traditional Chinese medicine, and more particularly relates to a pharmaceutical composition for treating AIDS and preparation method thereof. The pharmaceutical composition of the present invention for treating AIDS comprises the following raw medicinal materials: Cordyceps Sinensis in an amount of 3-6 parts by weight, Dried Radix Rehmanniae in an amount of 4-12 parts by weight, Mylabris in an amount of 1-3 parts by weight, and Rhizoma Anemarrhenae in an amount of 3-6 parts by weight. The clinical trials show that the pharmaceutical composition has a relatively good therapeutic effect for treating AIDS.

A dietary supplement comprises the ingredients: Fructus tsaoko (Tsaoko Fruit), Rhizoma polygoni cuspidati (Knotweed), Radix scutellariae (Skullcap), Rhizoma anemarrhenae (Know Mother Root), Cortex magnoliae officinalis (Magnolia Bark), Radix paeoniae alba (White Peony Root), Rhizoma atractylodis (Red Atractylodis), Herba agastaches/Pogostemonis (Patchouli), Semen armeniacae (Apricot Kernel), Fructus trichosanthis (Chinese Cucumber), Radix astragali (Mongolian Milk-Vetch), Radix angelicae sinensis (Female Ginseng), Flos lonicerae (Honeysuckle), and Radix glycyrrhizae (Licorice). These ingredients are dried and integrated into a tea, which is consumed by a person infected or possibly infected with a respiratory virus.

A dietary supplement comprises the ingredients: Fructus tsaoko (Tsaoko Fruit), Rhizoma polygoni cuspidati (Knotweed), Radix scutellariae (Skullcap), Rhizoma anemarrhenae (Know Mother Root), Cortex magnoliae officinalis (Magnolia Bark), Radix paeoniae alba (White Peony Root), Rhizoma atractylodis (Red Atractylodis), Herba agastaches/Pogostemonis (Patchouli), Semen armeniacae (Apricot Kernel), Fructus trichosanthis (Chinese Cucumber), Radix astragali (Mongolian Milk-Vetch), Radix angelicae sinensis (Female Ginseng), Flos lonicerae (Honeysuckle), and Radix glycyrrhizae (Licorice). These ingredients are dried and integrated into a tea, which is consumed by a person infected or possibly infected with a respiratory virus.