The invention relates to a natural shampoo formula and its preparation process; the formula comprises 2-8% tea saponin, 2-5% camellia oil, 1-3% grape seed extract and 0.4-cyclodextrin 0.5%, Sapinberry Extract 30‑40%, Flaxseed Gum 1‑10%, Wheat Gluten Powder 1‑5%, Vitamin E 0.5‑2%, Rose Essential Oil 0.5‑4%, Aloe Vera Gel Juice 10‑15% %, deionized water 20-25%; its preparation process is: (1) prepare cold water insoluble β-cyclodextrin-grape seed extract-camellia oil inclusion; Aloe vera gel juice, tea saponin, vitamin miscibility, add cold water insoluble β-cyclodextrin-grape seed extract-camellia oil inclusion; (3) add linseed gum, rose essential oil, wheat gluten powder, vacuum filling. The invention has excellent shampooing and hair care effects, less irritation to skin, non-toxic and harmless, no waste liquid and gas discharge, mild performance and easy biodegradation, and no drug resistance will be produced after long-term use, which is beneficial to human health and environmental protection.