I am Chinese and we have allowed all religions to dwell in peace in old China. Basically Christ and Buddha shared a lot of common ground:Buddha commanded his disciples to preach his gospel to all men. Christ
commanded his disciples to do the same. Three centuries after the time
of Buddha, Asoka the Great, emperor of India, became a convert to the
Buddhist faith, made it the state religion of the empire, and did more
than any other man to secure its supremacy in the East. Three centuries
after Christ, Constantine the Great, emperor of Rome, became a convert
to the Christian faith, made it the state religion of his empire, and
won for it the supremacy of the West.

Buddha formulated the
following commandments. “Not to kill; not to steal; not to lie; not to
commit adultery; not to use strong drink.” Christ said. “Thou knowest
the commandments, do not commit adultery; do not kill; do not steal; do
not bear false witness; honor thy father and thy mother” (Luke 28: 20)

Both have genealogies tracing their descent from ancestral kings.
Both were born of virgin mothers.
The conception of each was announced by a divine messenger.
The hymns uttered at the two annunciations resemble each other.
Both were visited by wise men who brought them gifts.
Both were presented in the temple.
The aged Simeon of the one account corresponds to the aged Asita of the other.
As “the child (Jesus) grew and waxed strong in spirit,” so “the child (Sakay-Muni) waxed and increased in strength.”
Both in childhood discoursed before teachers.
Both fasted in the wilderness.
Both were tempted.
Angels or devatas ministered to each.
Buddha bathed in the Narajana, and Christ was baptized in the Jordan.
The
mission of each was proclaimed by a voice from Heaven. Both performed
miracles. Both sent out disciples to propagate their faiths.
In calling their disciples the command of each was, “Follow me.”
Buddha preached on the Holy Hill, and Christ delivered his sermon on the Mount.
The phraseology of the sermons of Buddha and the sermon ascribed to Christ is, in many instances, the same.
Both Buddha and Christ compare themselves to husbandmen sowing seed.
The story of the prodigal son is found in both Scriptures.
The account of the man born blind is common to both.
In both the mustard seed is used as a simile for littleness.
Christ speaks of “a foolish, man, which built his house upon the sand”; Buddha says, “Perishable is the city built of sand.”
Both speak of “the rain which falls on the just and on the unjust.”
The
story of the ruler, Nicodemus, who came to Jesus by night, has its
parallel in the story of the rich man who came to Buddha by night.
A converted courtesan, Magdalena, followed Jesus, and a converted courtesan, Ambapali, followed Buddha.
There is a legend of a traitor connected with each.
Both made triumphal entries, Christ into Jerusalem, and Buddha into Rajagriba.
Both proclaimed kingdoms not of this world.
The eternal life promised by Christ corresponds to the eternal peace, Nirvana, promised by Buddha.
(Yeah copied and pasted from:http://wiki.answers.com/Q/How_would_you_compare_Buddha_and_jesus)

Later in China Tenrikyo came from Japan. It was taught by a woman, she taught how to heal physical problems and they humbly believe in having a joyous life.