Food color is the most direct factor for consumer purchase decisions. Unstable colors of fruits and snacks weaken market competitiveness greatly. Customers even doubt food freshness with abnormal colors. Traditional manual sensory checks have poor repeatability and low accuracy. They cannot quantify subtle color differences for standardized food production. The Sanyuanse handheld spectrophotometer supports full non‑contact non‑destructive testing. It meets strict food‑safety production standards completely. The gun‑shaped design allows tests on picking lines and packaging lines. Workers never damage food samples during color measurement. Anti‑pollution easy‑to‑clean lenses fit high‑hygiene food workshops well. Fruit factories test raw materials to judge ripeness and screen high‑quality fresh goods. They also monitor oxidation browning during deep processing in real time. Snack and beverage producers do batch spot‑checks for finished products. Special liquid accessories test juice and syrup colors accurately. All test data can be stored for batch‑file archiving. Small food factories without labs can use this portable device conveniently. High‑end food brands rely on its high precision for strict color control. Sanyuanse equipment improves testing flexibility for food enterprises. Brands unify color standards and keep stable sales volume in global markets.