The invention discloses a hair growth, hair fixation and hair care nutrient solution, the composition and mass fraction of which are as follows: SD ethanol 40-B 9-15 parts, butanediol 5-10 parts, azelaic diglycine potassium 3-8 parts, purslane extract 5-7 parts, camphor 4-9 parts, zinc sulfate 3-10 parts, pyridoxine hydrochloride 2-6 parts, panthenol 5-7 parts, sawn leaf palm fruit extract 4-8 parts, glycerin 6-9 parts, nicotinamide 4-8 parts, allantoin 6-9 parts, biotin 3-10 parts, PEG-60 hydrogenate castor oil 7-9 parts, hydrolyzed yeast protein 3-8 parts, polysorbate-20 2-6 parts, phenoxyethanol 6-10 parts, menthol 1-5 parts, hydroxybenzyl methyl ester 1-3 parts, folium Camelliae sinensis extract 8-13 parts, root extract of Glycyrrhiza glabra 11-13 parts, propolis extract 9-14 parts, azelaic diglycine potassium 7-5 parts, tripeptide-1 copper 5-8 parts, tocopherol acetate 1-3 parts, water 80-100 parts. The hair growth, hair fixation and hair care nutrient solution provided by the invention has excellent hair care effect, in particular, obvious effect on damaged hair quality, can effectively improve damaged hair quality, and can keep the hair soft and elastic.