The invention provides a multifunctional toilet chair which is simple in structure and convenient to process and can improve the adaptability. The multifunctional toilet chair comprises a pair of P-shaped racks arranged in parallel, a pair of bottom supporting pipes, a U-shaped pipe and a supporting connection pipe, wherein armrests are arranged on one sides above the openings of the P-shaped racks; the multifunctional toilet chair further comprises a seat cover, a toilet cover mechanism and a massaging mechanism; the toilet cover mechanism comprises a cover body I, a cover body II and a pair of sliding rails; seat openings for splicing are formed in the middles of the cover body I and the cover body II; the seat cover is connected onto the cover body I and the cover body II through an embedding structure; the massaging mechanism comprises a massaging mat, a controller and a control switch; the massaging mat is perpendicularly arranged between the rear sides of the openings of the P-shaped racks. The multifunctional toilet chair is convenient to mount, high in adaptability, comfortable and reliable.