The invention relates to drying equipment and a method for sodium dodecyl sulfate. The equipment comprises a mixing tank, a heater, a film scraping drying system, a shaping system, a fluidized drying system and a screening system, the mixing tank is connected with the film scraping drying system through a feeding pump, the heater is arranged between the mixing tank and the film scraping drying system, the film scraping drying system is connected with the shaping system, the shaping system is connected with the fluidized drying system, and the fluidized drying system is connected with the screening system. The equipment is simple in structure and reasonable in design; through a technology mode of combining feeding, film scraping drying, shaping, fluidized drying and screening cooling, energy consumption is low, the technology is simple, and dust is less; the purities of produced products reach two specifications, namely a needle-shaped particle and a fine particle.