In the highly standardized pharmaceutical, nutraceutical, and functional food manufacturing industries, equipment hygiene, cleanability, and long-term operational stability are core prerequisites for compliant production. Most traditional fully automatic capsule filling machines adopt open and semi-open structural designs, which inevitably lead to fine powder splashing, dust deposition, and residual material accumulation in internal gaps and mechanical components. Long-term powder accumulation will not only cause equipment jamming, transmission deviation, and frequent production errors, but also trigger cross-contamination between different batches of products, seriously affecting product qualification rates and failing to meet GMP, FDA and other international hygiene standards. In addition, complex structural dead corners of traditional equipment greatly increase the difficulty of manual cleaning and daily maintenance, prolong production shutdown time, and indirectly improve enterprise production costs. To solve these industry pain points, our upgraded fully automatic capsule filling machine adopts a full-series dust-proof and easy-clean systematic design. Every key structural part is optimized for anti-residue, anti-dust and convenient cleaning, realizing zero cleaning dead corners, low maintenance cost, stable continuous production and long service life, which perfectly meets the high-standard production needs of modern pharmaceutical and health product enterprises.