The invention discloses a pure nature food for improving
human body function, comprising the following components based on the percentage by weight: 10% of holothurian, 10% of sea snake, 5% of sea horse, 10% of sea nitscheina, 10% of medlar, 10% of Chinese yam, 5% of tuckahoe, 10% of
oyster meat, 10% of spirulina and mulberry fruit. The preparation method comprises the following steps of: weighing the holothurian, the sea snake, the sea dragon, the sea horse, the sea nitscheina, the
oyster meat according to prescription;
drying and
grinding the mixture; adding in 5 times of 65%
ethanol; reversely extracting; recycling the
ethanol after filtering out clear solution;
drying the clear solution to be standby; weighing the medlar, the Chinese yam, the tuckahoe, the mulberry fruit, and the like;
grinding the mixture into coarse
powder; reversely extracting to obtain extracting solution; filtering the extracting solution; concentrating the extracting solution by heating to be1.25 in density; depositing with the
alcohol; recycling the
ethanol after obtaining the clear solution; and
drying the clear solution to be standby. The two dried ointments are merged, grinded, stirred, added with auxiliary materials, detected and separately packaged to obtain finished products. The extractive which is prepared by the method can be made into
hard capsule, or granular formulation, or troche, or
pill, or pulvis, or syrup.