The invention relates to a sanitary appliance, in particular to a harmless and recyclable dry-type sanitary appliance which comprises a fecal bucket, a stirring device, a powder feeding device for conveying powder to the stirring device, a manure collecting device for collecting and treating manure, a feces-urine separating device and a self-cleaning device capable of automatically cleaning urine and the sanitary appliance. The stirring device is arranged below the fecal bucket and comprises a stirring barrel, stirring blades arranged in the stirring barrel and a stirring motor driving the stirring blades to rotate, the powder feeding device comprises a powder box, powder contained in the powder box is a feces treatment additive, and the powder feeding device and the manure collecting device are communicated with the stirring barrel. The invention further relates to a fecal treatment method. The method includes the step of fully mixing feces and the feces treatment additive. By the method, the problem of feces treatment can be solved perfectly; the fecal treatment method plays an important role in developing recyclable, environment-friendly and energy-saving economy; various advantages and benefit can be extended, and huge economic benefit and social benefit which are inestimable can be produced.