Preliminary screening of phytochemicals is a valuable step, in the detection of the bioactive principles present in medicinal plants and subsequently, may lead to drug discovery and development. Phytochemical investigation was carried out on the plant Achyranthes aspera which revealed the presence of medicinally important bioactive compounds. The presence of various phytochemical compounds in the plant Achyranthes aspera was evaluated in flowers and fruits. The extracts were subjected to qualitative screening test for various constituents. The extracts of Achyranthes aspera showed the presence of phytochemicals such as alkaloids, carbohydrates, flavonoids, proteins, and saponins.